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Keenan Brownsberger
Summer Scholar
E-mail: kbrownsberger16@my.whitworth.edu

Keenan Brownsberger is a third year student at Whitworth University in Spokane, Washington, majoring in Physics. He is working with Muhtar Ahart on the reaction of metals with hydrogen at high pressure and temperature. RG31

 

Michael Ackerson
Postdoctoral Fellow
E-mail: mackerson@carnegiescience.edu
Phone: 202-559-8061

Michael Ackerson joins the Geophysical Laboratory as a postdoctoral fellow. He is working on using experimental observations to understand the evolution and emplacement of granitic and volcanic rocks. Michael obtained his Ph.D. in geology from the Rensselaer Polytechnic Institute prior to joining GL. His other interests include experimental geochemistry, igneous/metamorphic petrology and trace element geochemistry.

 

Muhetaer Aihaiti
Research Scientist
E-mail: maihaiti@ciw.edu
Phone: 202-478-8932

Muhetaer Aihaiti (Muhtar Ahart) conducts research in high-pressure physics that is aimed largely at problems in ferroelectrics, relaxor ferroelectrics, polymers, and novel materials. He uses light scattering spectroscopy, synchrotron x-ray diffraction, and diamond anvil cell techniques to study the pressure effects on the classic ferroelectric, relaxor ferroelectric, and polymer materials, particularly, in investigations of elastic, piezo-properties and structural phase transitions in these materials. He is also active in multimegabar experiments on simple molecular systems using techniques such as synchrotron infrared spectroscopy.

 

John Armstrong
Microbeam Specialist
E-mail: jarmstrong@ciw.edu
Phone: 202-478-8918

John Armstrong oversees the electron microprobe and electron microscopy laboratories at the Carnegie Institution of Washington. His research includes development of the physical correction algorithms and analytical procedures for high accuracy quantitative analysis with electron microbeam instruments and their application to the characterization of geological and planetary materials. He has developed, operated and supervised microprobe laboratories at NIST, Caltech and Procter & Gamble. He also has experience with several generations of analytical scanning electron microscopes, analytical scanning transmission electron microscopes, ion microprobes, UHV Auger electron microprobes, as well as x-ray emission spectrometers, x-ray diffraction and x-ray fluorescence equipment. A past president of the Microbeam Analysis Society and recipient of its Presidential Science Award, he regularly lectures at the advanced x-ray microanalysis summer schools at Lehigh University and holds adjunct faculty positions at American University and Pepperdine University (DC campus), where he teaches earth science and astronomy. He received his Ph.D. in geochemistry from Arizona State University in 1978 and a B.S. in chemistry from Loyola Marymount University.

 

Maceo Bacote
Building Engineer
E-mail: mbacote@ciw.edu
Phone: 202-478-8302

Maceo Bacote began his career at the Geophysical Laboratory in 1993 to work as a DC third class licensed steam engineer, whose duties include the daily maintenance and repair of the HVAC system and mechanical equipment at the Broad Branch Road campus. He resides in Clinton, Maryland with his wife and three children.

 

Ligang Bai
Postdoctoral Associate
E-mail: lbai@ciw.edu

Ligang Bai is a postdoctoral associate at the Geophysical Laboratory's HPCAT facility. He is working in part with the University of Las Vegas' Department of Physics and Astronomy.

 

Maria Baldini
Research Scientist
E-mail: mbaldini@ciw.edu

Maria Baldini works on various beamlines at HPSynC and develops advanced x-ray techniques and instrumentation for use in high-pressure research. Her research focuses on understanding the effects of pressure on the physical properties of strongly correlated electron systems. She received her Ph.D. in material science from the University of Sapienza, Rome, Italy in 2007.

 

Abhisek Basu
Postdoctoral Associate
E-mail: abasu@carnegiescience.edu

 

Neil Bennett
Postdoctoral Fellow
E-mail: nbennett@ciw.edu
Phone: 202-478-4895

Neil Bennett is a postdoctoral fellow at the Geophysical Laboratory, who hails from the University of Toronto. He is working with Yingwei Fei to determine element behavior during planetary core formation. This work utilizes high pressure and temperature experiments in the multi-anvil press and diamond anvil cells, coupled with sample characterization by laser-ablation mass spectrometry and electron beam micro analysis (FIB, SEM, EPMA).

 

Venkata Srinu Bhadram
Postdoctoral Associate
E-mail: vbhadram@ciw.edu
Phone: 202-478-8938

Venkata (Venkat) Bhadram is a postdoctoral associate working with Tim Strobel and Russell Hemley on EFree projects, mainly in the area of solar energy materials. He is also working on developing novel materials for photocatalytic water splitting. The work involves synthesis with both multi-anvil and diamond cell techniques, as well as characterization using Raman spectroscopy and laboratory and synchrotron x-ray facilities. Previously, Venkat was a visiting investigator at Purdue University, after receiving his Ph.D. from JNCASR, Bangalore, India.

 

Reinhard Boehler
Senior Scientist
E-mail: rboehler@ciw.edu
Phone: 202-478-8950

Reinhard (Reini) Boehler works on a broad range of problems in high pressure science and technology, particularly those related to major energy challenges. His research interests include the thermal properties of metals at very high pressure, the adiabatic gradient, thermal expansivity of simple metals, as well as Earth mantle and core materials. He obtained a Ph.D. and M.S. in mineralogy, and a B.S. in chemistry and physics from Universität Tübingen, Germany in 1974, 1970 and 1968.

 

Genevieve Boman
E-mail: gboman@ciw.edu

Genevieve Boman is a Beamline Associate at HPCAT. She earned a B.S. in Physics from Worcester Polytechnic Institute and an MRes in Physics of the Earth and Atmosphere at the University of Leeds, UK. Her primary responsibilities at HPCAT include performing and maintaining daily and scheduled beamline operations, maintaining and operating laboratory and on-line supported equipment, developing user friendly interfaces and macros for effective and efficient controls, and participating in research teams to develop and integrate component models and controls at HPCAT.

 

Arunkamar Bommannavar
Beamline Control Scientist
E-mail: abommannavar@ciw.edu
Phone: 630-252-0497

Arun Bommannavar is the beamline control scientist at HPCAT. He is responsible for implementing EPICS controls for beamline control and data acquisition. His Ph.D. thesis was on studying Magnetic Relaxation Phenomenon in Ferrites using Mossbauer Spectroscopy.

 

Gary Bors
Facility Manager
E-mail: gbors@ciw.edu
Phone: 202-478-8302

Gary joined Carnegie Science in 1977 and is the Facility Manager of the Broad Brand Road campus. His duties include the daily operation and maintenance of the cast iron sectional low pressure steam boilers, centrifugal and air-cooled water chillers, and the DX AC unit.

 

Roxane Bowden
Technician
E-mail: rbowden@ciw.edu
Phone: 202-478-8908

Roxane is the Lab Manager of Marilyn Fogel’s stable isotope facility at the Geophysical Laboratory. She is in charge of maintaining the two ThermoFisher gas source mass spectrometers and assisting students with preparing and analyzing samples. She obtained a PhD in stable isotope geochemistry from the University of Western Ontario, Canada in 2001, and a BSc in geology from the Memorial University of Newfoundland in 1991.

 

Emma Bullock
Microbeam Specialist
E-mail: ebullock@carnegiescience.edu
Phone: 202-478-8986

Emma Bullock joins the Geophysical Laboratory as a Microbeam Specialist. She is responsible for maintaining and operating the focused ion beam - scanning electron microscope (FIB-SEM) crossbeam system and other microbeam instruments, including training and providing assistance to new and visiting users, performing routine maintenance, sample preparation, and collaborating with staff and students. She joins us from the Smithsonian Institution and is also interested in meteorites, early solar system chronology and impact processing.

 

Xiaojia Chen
Research Scientist
E-mail: xjchen@ciw.edu
Phone: 202-478-8924

Xiao-Jia Chen works in condensed matter physics. His research is focused on magnetism and superconductivity of materials under high pressure. Currently, he is coordinating the Spallation Neutrons and Pressure (SNAP) project - the exciting new high-pressure neutron science at the Spallation Neutron Source, Oak Ridge National Laboratory.

 

Paul Chow
Beamline Scientist
E-mail: pchow@ciw.edu
Phone: 630-252-4015

Paul Chow is a beamline scientist. He received a Ph.D. in Physics from University of Illinois and conducted research at the University of Houston. He spent 2 years at BL12XU, the Taiwan Beamline at SPring-8, designing and commissioning a spectrometer for inelastic x-ray scattering. Presently, he is a beamline scientist for HP-CAT at the spectroscopy station 16ID-D at the Advanced Photon Source. His interest is in electronic excitations in metals.

 

Shengqi Chu
Visiting Investigator

He is a visiting scholar from the Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China. He has been working at the Beijing Synchrotron Radiation Facility since 2011. His research focuses on the X-ray Absorption Spectroscopy measurements on materials.  Shengqi will be at HPCAT for one year.

 

George D. Cody
Acting Director
E-mail: gcody@ciw.edu
Phone: 202-478-8980

George D. Cody specializes in chemical-structural analyses of solid phase organics. His research is focused on determining the diagenetic reactions that define organic sediment maturation. Other interests include examining the molecular structure of extraterrestrial organic solids contained within carbonaceous chondritic meteorites and more recently, comets. He received a Ph.D in geosciences from Pennsylvania State University in 1992, and a B.S. in geology from University of Massachusetts at Amherst in 1982.

 

Ronald E. Cohen
Senior Staff Scientist
E-mail: rcohen@ciw.edu
Phone: 202-478-8937

Ronald E. Cohen's primary focus is the study of materials through first principles research including properties of materials under extreme conditions such as high pressure and temperature. His research is applied to topics and problems in geophysics and technological materials. He obtained a Ph.D. in geology from Harvard University in 1985, and a BSc in geology from Indiana University in 1979. He is also a Professor of Earth Sciences at University College London under a European Advanced Grant.

 

Anne Davis
Summer Intern
E-mail: adavis@caltech.edu

Anne Davis is a third year chemistry major at the California Institute of Technology. This summer she is working with Tim Strobel on the synthesis and characterization of new potential solar energy materials using high-pressure, high-temperature methods. RG31

 

Stephen Elardo
Postdoctoral Associate
E-mail: selardo@ciw.edu
Phone: 202-478-8479

Stephen Elardo is a postdoctoral associate hailing from the Institute of Meteoritics at the University of New Mexico. He is working with Anat Shahar on understanding iron isotope fractionation at high pressure and temperature during planetary differentiation as a way to infer the abundances of light elements in planetary cores. His research interests also include igneous processes in the planetary settings, with an emphasis on the differentiation of the Moon, early crust building processes in the lunar crust, and the thermal and magmatic evolution of the lunar mantle.

 

Pablo D. Esparza
Maintenance Technician
E-mail: pesparza@ciw.edu
Phone: 202-489-4512

Pablo came to Carnegie from Jasco Guerrero, a small town in Mexico, where he skillfully worked on construction projects. Pablo handles all packages and mail for the campus, as well as assisting with facilities maintenance for the Geophysical Laboratory and the Department of Terrestrial Magnetism.

 

Yingwei Fei
Senior Staff Scientist
E-mail: yfei@ciw.edu
Phone: 202-478-8936

Yingwei Fei examines materials at high pressure and temperature. He is interested in phase transitions, element partitioning, melting relations, chemical reactions and physical properties with applications to geophysics, petrology, mineral physics, geochemistry and planetary sciences. He obtained a Ph.D. in geochemistry from City University of New York in 1989 and a B.S. in geochemistry from Zhejiang University, China in 1982.

 

Richard (Rich) Ferry
HPSynC Technician
E-mail: rferry@ciw.edu
Phone: 630-252-6354

Richard Ferry is a technician at HPSynC. Prior to joining Carnegie, he worked as the chief technician at Argonne National Laboratory.

 

Cécile Feuillie
Postdoctoral Associate
E-mail: cfeuillie@ciw.edu
Phone: 202-478-8969

Cécile Feuillie is a postdoctoral associate working with Dimitri Sverjensky and Robert Hazen. She is conducting experimental research on the interactions between organic molecules and mineral surfaces, mainly in the context of the origins of Life. She received her Ph.D. in geosciences from the ENS de LYON in september 2012.

 

Dionysis Foustoukos
Research Scientist
E-mail: dfoustoukos@ciw.edu
Phone: 202-478-8968

Dionysis Foustoukos is an experimental geochemist studying the evolution of geofluids in a wide range of natural environments. His research activities focus mainly on the evolution of submarine volcanoes; the habitability of deep-sea extreme environments; and the geochemical interactions between Earth’s upper mantle, crust and oceans. He develops novel experimental designs to investigate natural processes under controlled laboratory conditions, and he has been involved in oceanographic expeditions at the Pacific Ocean and the Mediterranean Sea. He obtained a Ph.D. in geochemistry from the University of Minnesota in 2005, and a B.S. from the Aristotle University of Thessaloniki in 1997.

 

Dyanne Furtado
Staff Accountant
E-mail: dfurtado@ciw.edu

Dyanne is the Geophysical Laboratory's staff accountant. She is responsible for monitoring and tracking expenditures associated with new Federal grants, as well as providing financial reports to the scientific staff. Prior to joining Carnegie, Dyanne worked at the German defense manufacturing company, Heckler & Koch, as a staff accountant for more than 13 years. She obtained a B.S. from Gallaudet University in accounting in 1986, and has lived in Virginia since 1989.

 

Matthieu Galvez
Visiting Investigator
E-mail: mgalvez@ciw.edu
Phone: 202-478-8987

Matthieu Galvez joins the geophysical laboratory as a new Carnegie Fellow from the Institut de Physique du Globe de Paris, France. He studies the dynamics of carbon in metamorphic nodes with George Cody. R133

 

Zachary Geballe
Postdoctoral Fellow
E-mail: zgeballe@ciw.edu
Phone: 202-478-8945

Zachary (Zack) Geballe is a postdoctoral fellow working with Viktor Struzhkin. His focus is to develop high-frequency calorimetry methods and to use them to measure heat capacities of metals and silicates at high pressures in order to study melting, pre-melting phenomena, and the glass transition. Zack received his Ph.D. from the University of California, Berkeley.

 

Paul Goldey
Electronics/Microbeam Specialist
E-mail: pgoldey@ciw.edu
Phone: 202-478-8456

Paul has more than 20 years of experience maintaining scientific instruments and laboratories as well as supporting students, faculty and staff in their research. He has worked at several local universities in laboratories for high energy physics, thin film deposition and characterization, and nanotechnology. Previously, Paul worked at the Advanced Electronics Laboratory of Georgetown University. Earlier he spent several years at CERN in Geneva while affiliated with the University of Maryland. Paul is in charge of designing and maintaining scientific instruments, including helping John Armstrong with maintenance and assisting users of our microbeam facilities.

 

Hitoshi Gomi
Postdoctoral Associate
E-mail: hgomi@carnegiescience.edu
Phone: 202-478-1090

Hitoshi Gomi is a postdoctoral associate working with Yingwei Fei. His research focuses on determining the electrical resistivity of core materials at high pressure and temperature with applications to core dynamics and thermal evolution. Hitoshi received his Ph.D. from Tokyo Tech.

 

Alexander Goncharov
Senior Staff Scientist
E-mail: agoncharov@ciw.edu
Phone: 202-478-8947

Alexander F. Goncharov is a senior staff scientist at the Geophysical Laboratory. His research focuses on examining the properties of materials under extreme conditions of pressure, temperature, and strain rate and its applications to planetary science, geophysics, geochemistry, and synthesis of novel materials by design. He received a Ph.D. in physics from the Russian Academy of Sciences, Institute of Spectroscopy in 1983, and a combined M.A. and M.S. in physics from the Moscow Institute for Physics and Technology in 1979.

 

Huiyang Gou
Postdoctoral Associate
E-mail: hgou@ciw.edu
Phone: 202-478-4889

Huiyang Gou is a postdoctoral associate working with Tim Strobel on the synthesis of new materials and carbides. He received his Ph.D. from BGI, University Bayreuth.

 

Stephen Gramsch
Research Scientist and DOE Programs Coordinator
E-mail: sgramsch@ciw.edu
Phone: 202-478-8939

Steve oversees operations of two DOE-funded centers headquartered at the Geophysical Laboratory. The Carnegie-DOE Alliance Center (CDAC) is a Center of Excellence for High Pressure Science and Technology funded by Stockpile Stewardship Academic Programs, a DOE/NNSA initiative focused on graduate student education and training in key areas of fundamental science important to the NNSA mission. The Energy Frontier Research in Extreme Environments Center (EFree) is an Energy Frontier Research Center supported by the DOE Office of Science and is dedicated to the study of materials at extreme conditions of pressure and temperature as a means to accelerate the discovery of transformative materials for energy applications. Steve also coordinates the Summer Scholars Program, which provides undergraduate students a rigorous introduction to scientific research. For more information on CDAC, (https://cdac.carnegiescience.edu), EFree (https://efree.carnegiescience.edu), or the Summer Scholars Program (https://www.gl.ciw.edu/static/groups/summerscholars), please visit our websites.

 

Jihua Hao
Predoctoral Associate
E-mail: jhao3@jhu.edu
Phone: 202-478-8967

Jihua Hao is a predoctoral associate from Johns Hopkins University. Jihua is working with Dimitri Sverjensky and Cecile Feuillie on the origin of life. He is also very interested in mineral surface geochemistry.

 

Shaun Hardy
Librarian
E-mail: shardy@ciw.edu
Phone: 202-478-7960

Shaun Hardy manages the joint research library of the Geophysical Laboratory and DTM and oversees the departments' archives. As campus librarian he designs and implements information programs and services to support the departments' scientific, administrative, and technical staff. He holds B.S. degrees in geological sciences and physics from the University of Rochester and an MLS degree (library and information science) from the State University of New York at Buffalo.

 

Hope Harrison

Hope Harrison is a summer intern from St. Andrew’s Episcopal School. She is working with George Cody on looking at how the presence of metal chlorides influences the rTCA cycle.

 

Robert M. Hazen
Senior Staff Scientist
E-mail: rhazen@ciw.edu
Phone: 202-478-8962

Robert M. Hazen's research focuses on aspects of the coevolving geosphere and biosphere, especially in the context of Earth's evolving mineralogy. His group investigates interactions among organic biomolecules and mineral surfaces, mineral-mediated chemistry in the context of origins of life, and the emergence of pre-biotic chemical complexity. In recent years he has introduced "mineral evolution," which is the study of Earth's changing near-surface mineralogy through deep time, and "mineral ecology," which focuses on statistical aspects of the diversity and distribution of minerals on terrestrial planets. He obtained a Ph.D. in mineralogy and crystallography from Harvard University in 1975, and a B.S. and S.M. in earth science from Massachusetts Institute for Technology in 1970 and 1971. For more information see: http://hazen.gl.ciw.edu

 

Kadek Hemawan
Research Scientist
E-mail: khemawan@ciw.edu
Phone: 202-478-8984

Kadek Hemawan is a research scientist at the Geophysical Laboratory. His research activities are comprised of microwave plasma chemical vapor deposition carbon based materials, diamond characterizations, CVD reactor optimization and micro plasma discharge investigation at higher pressure. He received his Ph.D. from Michigan State University.

 

Russell J. Hemley
Senior Staff Scientist
E-mail: rhemley@ciw.edu
Phone: 202-478-8951

Russell J. Hemley is a senior staff scientist of the Geophysical Laboratory. His research examines the properties of materials at high-pressures and its applications to geophysics, geochemistry and planetary science, as well as to theoretical condensed-matter physics and chemistry. He uses optical spectroscopy, x-ray diffraction, and diamond-cell techniques to conduct high-pressure experimental and theoretical studies in condensed-matter physics, earth and planetary science and materials science. He obtained a Ph.D. and M.A. in physical chemistry from Harvard University in 1983 and 1980, and received a B.A. in chemistry and philosophy from Wesleyan University in 1977.

 

Valerie Hillgren
Visiting Investigator
E-mail: vhillgren@ciw.edu
Phone: 202-478-8927

Valerie is an experimental geochemist with a B.S. in Geology from the University of Kansas and a Ph.D. in Planetary Science from the University of Arizona. She has studied a variety of problems ranging from the formation and composition of the cores of Earth, the Moon, and Mercury to the fractionation of stable Si and Fe isotopes between metal and silicates. Most of her experimental work is conducted at high pressures and temperatures using the piston cylinder apparatus, the multianvil apparatus, and the laser-heated diamond cell. Currently, she is working with Dr. Anat Shahar on the fractionation of Fe isotopes in Pallasite meteorites.

 

Stephen Hodge
Instrument Maker
E-mail: shodge@ciw.edu
Phone: 202-478-8921

Stephen Hodge is an instrument maker for the machine shop at the Geophysical Laboratory. He is responsible for the manufacture/repair of diamond anvil cells, high pressure vessels and their components, laser array equipment, fixtures/devices etc., per the scientists needs. Stephen works to extreme tight tolerances in a wide variety of exotic and aerospace materials.

 

Nicholas Holtgrewe
Visiting Investigator
E-mail: nholtgrewe@ciw.edu
Phone: 202-478-2375

Nicholas Holtgrewe is a visiting investigator from Howard University.  He is working with Alexander Goncharov on laser optics in Raman pump-probe experiments.  His other research interests include superconductors, solar power and laser optics.  

 

Michelle Hoon-Starr
DCO Science Program Assistant
E-mail: mhoonstarr@carnegiescience.edu
Phone: 202-478-8971

Michelle Hoon-Starr joins the Geophysical Laboratory as a Deep Carbon Observatory (DCO) Program Assistant. She is working with DCO on assisting with writing/editing documents, proposals and briefs; event planning; meeting coordination, etc. She is a graduate from the College of William and Mary and is interested in geomorphology.

 

Morgan Phillips Hoople
CDAC and EFree Administrator/Assistant
E-mail: mphillips@ciw.edu
Phone: 202-478-8966

Morgan Phillips Hoople is the Project Administrator for the Carnegie/Department of Energy Alliance Center (CDAC), the Energy Frontier Research in Extreme Environments Center (EFree), and the Assistant to Russell J. Hemley. She has been working at Carnegie since July of 2004. She received her B.A. in History from DePauw University in 2002.

 

Binyang Hou
Postdoctoral Associate
E-mail: byhou@carnegiescience.edu

Binyang Hou is a postdoctoral associate working at HPCAT under the supervision of Dr. Changyong Park. He received his Ph.D. from the University of Illinois at Chicago. His research has been focused on the study of molecular level interfacial structure using various synchrotron x-ray radiation methods as well as electrochemical techniques. His current research focuses on the study of solid-fluid interfaces under ambient as well as high pressure and temperature conditions.

 

Ross Hrubiak
Postdoctoral Associate
E-mail: rhrubiak@ciw.edu

Ross Hrubiak is a postdoctoral associate at HPCAT working on high-pressure melting studies. Ross received his Ph.D. from Florida International University’s Center for the Study of Matter at Extreme Conditions (CeSMEC).

 

Qingyang Hu
Postdoctoral Associate
E-mail: qhu@ciw.edu
Phone: 202-478-8933

Qinyang Hu is a graduate student from George Mason University.  He joins the Geophysical Lab as a predoctoral associate working with Dave Mao on the theory part of the FeO project and diamond anvil cell experiments of cerium.

 

Fang Huang
Predoctoral Associate
E-mail: fhuang9@jhu.edu

Fang Huang is a predoctoral associate from Johns Hopkins University. He is working with Yingwei Fei on high pressure and temperature experiments.

 

Freda Humble
Project Administrator
E-mail: fhumble@ciw.edu

Freda Humble is the project administrator at HPCAT. Freda has extensive experience in office administrative matters and adept skills to operate HPCAT's office and user administrative matters. Her responsibilities include general secretarial duties for the HPCAT project, administration of the HPCAT user program, administrative liaison with APS and CIW, and assistance with the HPCAT webpage.

 

Daniel Hummer
Postdoctoral Associate
E-mail: dhummer@ciw.edu
Phone: 202-478-8908

Daniel Hummer completed his Ph.D. at Penn State University specializing in mineralogy and crystallography. He is interested in the phase stability of minerals at high pressures and temperatures, and the kinetics of nucleation and crystal growth processes. He is currently working with Bob Hazen on topics in mineral evolution/ecology, including tracing the geologic history of minerals with redox sensitive elements, and analyzing Earth’s mineral diversity in order to predict and find new species - especially minerals of carbon. Additionally, Daniel is interested in mineral diversity, crystal chemistry and thermodynamic stability of minerals across a range of pressure-temperature conditions.

 

Wesley T. Huntress
Director Emeritus
E-mail: whuntress@ciw.edu
Phone: 202-478-8910

Wesley T. Huntress, Jr. is Director Emeritus of the Geophysical Laboratory. His research examines the chemical processes occurring within the interstellar medium, comets, and planetary atmospheres. He received a Ph.D. in chemical physics from Stanford University in 1968, and a B.S. in chemistry from Brown University in 1964. He served as project scientist for planetary flight missions at Caltech's Jet Propulsion Laboratory in the 1980s and at NASA as Director of Solar System Exploration and Associate Administrator for Space Science in the 1990s.

 

Daijo Ikuta
Beamline Associate
E-mail: dikuta@ciw.edu
Phone: 630-252-6550

Daijo Ikuta studied new technique for X-ray identification and crystal structure analysis of multiplesingle crystal phases on a glass thin section. His interest in this new technique is currently to refine this technique and to apply to unknown new minerals. With the use of synchrotron radiations and his thin-section method he examines the crystal structure of tiny and rare minerals in thin section. He joined HPCAT in July 2007.

 

T. Neil Irvine
Emeritus Staff Scientist
E-mail: nirvine@ciw.edu
Phone: 202-478-8950

T. Neil Irvine is a staff member emeritus at the Geophysical Laboratory. His areas of interest include field, analytical and experimental studies of petrology, ore deposits, tectonic settings and layered igneous intrusions. He obtained a Ph.D. in economic geology and geochemistry from California Institute of Technology in 1959, and a B.S. and M.S. from University of Manitoba, Canada in 1953 and 1956.

 

Colin Jackson
Postdoctoral Fellow
E-mail: cjackson@ciw.edu

Colin Jackson is a postdoctoral fellow at the Geophysical Laboratory. He is working with Yingwei Fei, and many other members of the staff, on high-pressure and temperature experiments, and solid Earth geochemistry. Colin received his Ph.D. from Brown University.

 

Tomasz Jaron
Visiting Investigator
E-mail: tjaron@uw.edu.pl

Tomasz Jaron is a visiting investigator from the University of Warsaw. He is working with Viktor Struzhkin on high-pressure synthesis and physicochemical properties of novel hydrides of ytterbium and cobalt.

 

Cheng Ji
Postdoctoral Associate
E-mail: cji@ciw.edu

Cheng Ji is a postdoctoral associate at HPSynC. He recieved his Ph.D. in Mechanical Engineering from Texas Tech University. His research interests include phase transitions of materials under large shear stress at high pressures and high pressure related synchrotron x-ray techniques.

 

Curtis Kenney-Benson
Beamline Associate
E-mail: ckbenson@ciw.edu
Phone: 630-252-0495

Curtis Kenney-Benson is a Beamline Associate at HPCAT. His role there includes maintenance of the cryogenic systems, online ruby systems, and sample preparation lab, in addition to direct user support. Before coming to HPCAT, Curtis was involved in the construction of APS Sector 34 and the instrumentation of the Coherent Diffraction station there.

 

Bill Key
Building Engineer
E-mail: bkey@ciw.edu
Phone: 202-478-8302

Bill Key began working at the Geophysical Laboratory in 1983 as caretaker of the old research building at BBR. His main duties included looking after the grounds, SMO and foundry on the BBR campus. In 1989, he became a licensed engineer whose responsibilities included maintenance and repair of the HVAC system and mechanical equipment. Prior to working at Carnegie, Bill served in the Air force with the 82nd Airborne division and also worked in a hardware store for five years after completing high school.

 

Danielle Appleby Kifah
Assistant to the Director
E-mail: dappleby@ciw.edu
Phone: 202-478-8906

Danielle Appleby is responsible for providing administrative support to the Director of the Geophysical Laboratory. She also offers assistance with long-term planning and goal setting. Prior to joining Carnegie in 2007, Danielle worked as Consultation Executive for one of the top planning and PR firms in London, Local Dialogue LLP, where she led the consultation on large-scale public sector projects for the Mayor of London including "Crystal Palace Park Regeneration," the "Olympics 2012," and "Ocean New Deal for Communities." She holds an M.A. in Material and Visual Culture from University College London, U.K. (2004).

 

Duck Young Kim
Research Scientist
E-mail: dkim@ciw.edu
Phone: 202-478-8944

Duck Young Kim obtained his Ph.D. at Uppsala University in Sweden and conducted his postdoctoral study with the Theory of Condensed Matter (TCM) Group, Cavendish Laboratory, University of Cambridge, U.K. His research focuses on understanding the phase transition of materials under pressure, especially the metallization/superconductivity of hydrides and elements in the periodic table using first-principle calculations. He is a research scientist working in the high pressure thrust area to bridge the gap between theory and experimental approaches to problems in high-pressure research.

 

Anat Shahar
Senior Staff Scientist
E-mail: ashahar@ciw.edu
Phone: 202-478-8929

Anat Shahar's research focuses on stable isotope geochemistry at high pressure and/or temperature. She conducts high P/T experiments and traces the isotopes to answer questions that span from the formation of the first solids in the solar system to the formation of the cores of planets. She obtained a Ph.D. in geochemistry from UCLA in 2008, and a M.E. and B.S. from Cornell University in 2003 and 2002.

 

Lingping Kong
Visiting Invetigator
E-mail: lkong@ciw.edu
Phone: 630-252-2888

Lingping (Lisa) Kong is from the Harbin Institute of Technology in China. She carries out x-ray diffraction experiments at the High Pressure Synergetic Consortium (HPSynC) facility of the GL.

 

Yoshio Kono
Beamline Scientist
E-mail: ykono@ciw.edu

Yoshio Kono is a Beamline Scientist at HPCAT. He is responsible for developing elastic wave velocity measurement by ultrasonic technique in conjunction with Paris-Edinburgh press and high-pressure synchrotron techniques. Yoshio began his career at Carnegie as a Research Scientist and was promoted to Beamline Scientist in July 2012. He is interested in studying elasticity and equation of state of materials at high pressures and high temperatures. He received a Ph.D. from Yokohama National University, Japan in 2006.

 

Jabrane Labidi
Postdoctoral Fellow
E-mail: jlabidi@ciw.edu
Phone: 202-478-7974

Jabrane Labidi is a postdoctoral fellow working with Anat Shahar on multiple isotope composition of sulfur in organic matter of chondrites.  His other research interests include magmatic geochemistry, mantle geochemistry, volatiles in the planetary interiors, and cosmochemistry. Jabrane received his Ph.D. from the Institut de Physique du Globe de Paris.

 

Joseph Lai
Predoctoral Fellow
E-mail: jlai@ciw.edu
Phone: 202-478-8965

Joseph Lai is working with Bjorn Mysen and Dave Mao. His project studies the high pressure-temperature phase diagram of the hydrogen-methane binary system and other hydrogen-bearing molecular systems pertinent to the Earth and planetary interiors. He earned his M.S. in material science and engineering and a B.S. in mechanical engineering from the University of Florida.

 

Charles Le Losq
Postdoctoral Fellow
E-mail: closq@ciw.edu
Phone: 202-478-8993

Charles Le Losq is a postdoctoral fellow at the Geophysical Laboratory. He works with Bjorn Mysen and George Cody on the interactions between volatile elements and silicate glasses and melts in order to better understand how volatiles can affect the physical properties of molten rocks, and hence, the dynamic of volcanic phenomena. Charles received a Ph.D. in Geophysics from the Institut de Physique du Globe de Paris / University of Paris VII - Denis Diderot in 2012, and a Master degree in Geology and Natural Hazards from the Institut de Physique du Globe de Paris in 2009.

 

Bing Li
Postdoctoral Associate
E-mail: bli@ciw.edu

Bing Li is a postdoctoral associate at HPSynC. He received his Ph.D. in condensed matter physics from Jilin University in 2011. Bing is working on diamond anvil cell techniques for ultra-high pressure experiment and selected element phase transitions at mega-bar pressures using synchrotron micro-Xray diffraction with Dave Mao and others in the high-pressure team.

 

Chen Li
EFree Neutron Scattering Coordinator
E-mail: cli@carnegiescience.edu

Chen Li joins the Geophysical Laboratory as the EFree Neutron Scattering Coordinator at Oak Ridge National Laboratory. Chen is leading the development and application of neutron techniques in support of EFree projects, and interact with EFree project groups and provide leadership in the development of new projects in the area of energy materials research.

 

Qian Li
Visiting Investigator
E-mail: QianLi@hpcat.aps.anl.gov

Qian Li is a visiting graduate student at HPCAT from Jilin University. She is working with Yue Meng on diffraction studies for her predoctoral studies.

 

Rui Li
Predoctoral Associate
E-mail: rli@ciw.edu

Rui Li is a predoctoral associate from the Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, CAS. She is in her third year of her PhD study and will be working in the area of high pressure single crystal diffraction. Her goals for the next year here are to obtain electron density information at high pressure conditions, and to understand the phase transition dynamics and mechanism of semiconducting materials, such as Si, Ge.

 

Jeff Lightfield
Controller
E-mail: jlightfield@ciw.edu
Phone: 202-478-8903

Jeff Lightfield is responsible for the business operations of the Geophysical Laboratory. Prior to joining GL in February 2006, Jeff worked for eight years at Carnegie's headquarters; first as a Financial Accountant and then as the Deputy Financial Manager. Earlier in his career Jeff spent several years working in public accounting and served as the Director of Finance for Citizens Development Corps (CDC). Jeff received a B.S. in Economics from the Wharton School of Business at the University of Pennsylvania and is a Certified Public Accountant.

 

Chuanlong Lin
Postdoctoral Associate
E-mail: clin@carnegiescience.edu

Chuanlong Lin is a postdoctoral associate at HPCAT. Chuanlong received his Ph.D. in Condensed Matter Physics from the Institute of High Energy Physics at the Chinese Academy of Science. His research focuses on time-resolved x-ray probes. Previously, Chuanlong worked at the Beijing Synchrotron Radiation Facility.

 

Yangzheng Lin
Postdoctoral Associate
E-mail: ylin@ciw.edu
Phone: 202-478-2374

Yangzheng Lin is a postdoctoral associate from Penn State University, where he worked on molecular dynamics (MD) and kinetic Monte Carlo (KMC) simulations for GaAs surface reconstruction and diffusion. He is now working with Ronald Cohen and Tim Strobel on the equation of state (EOS) and phase transition for MgSiO3, FeSiO3, and CO2+H2O systems from quantum Monte Carlo (QMC) simulations as well as ground state crystal structure prediction for lithium carbide and new carbon structure prediction based on first principle density functional theory (DFT) computations under ambient and high pressures. RG31

 

Chao Liu
Postdoctoral Associate
E-mail: cliu@carnegiescience.edu
Phone: 202-478-8908

Chao Liu hails from Yale University and joins as a postdoctoral associate working with Bob Hazen. He is developing new paleo-redox proxies from geochemical signatures of carbonate rocks. His research interests include carbonates, isotope geochemistry, paleo climate and precambrian research.

 

Gang Liu
Visiting Investigator

Gang Liu will be working with Dave Mao as Visiting Investigator.  He completed his Ph.D. in Materials Science at the Harbin Institute of Technology. He is an experienced APS User and worked at NSLS, ALS and for Materials Science Research. His research also centers on the properties of ferroelectrics under various external fields.

 

Hanyu Liu
Postdoctoral Associate
E-mail: haliu@carnegiescience.edu

Hanyu Liu is a postdoctoral associate working with Russell Hemley. He is carrying out theoretical and computational studies in support of current EFree projects and also contributing to the development of a new project focusing on hydrogen-rich materials. Hanyu is also interested in studying the properties of materials at extreme conditions using molecular dynamics and crystal structure predictions.

 

Shi Liu
Postdoctoral Fellow
E-mail: sliu@carnegiescience.edu
Phone: 202-478-8915

RG31

 

Zhenxian Liu
Beamline Scientist
E-mail: zxliu@bnl.gov
Phone: 631-344-7199

Zhenxian Liu is a lead beamline scientist for the Frontier Synchrotron Infrared Spectroscopy Beamline under Extreme Conditions (FIS), currently under construction at National Synchrotron Light Source II, Brookhaven National Laboratory. FIS is the successor of U2A beamline, a dedicated high-pressure infrared diamond anvil cell facility at NSLS, which has been managed by Geophysical Laboratory since 1999. He develops novel experimental techniques (e.g., vacuum far-IR spectroscopy down to 30 cm-1 at high pressure) and assists users in carrying out research projects in geoscience, planetary science, materials science, condensed matter physics, chemistry, and biology. He also uses synchrotron infrared spectroscopy, Raman scattering, photoluminescence as well as synchrotron x-ray diffraction techniques to explore physical and chemical properties and phase transitions of hydrous minerals, simple molecular systems, and nanoscale materials at high pressures and variable temperatures.

 

Sergey Lobanov
Research Scientist
E-mail: slobanov@ciw.edu
Phone: 202-478-8995

Sergey Lobanov arrived from V.S. Sobolev Institute of Geology and Mineralogy (Novosibirsk, Russia). He will be working with Alexander Goncharov on DCO project. His research area includes both theoretical and experimental modeling of the volatiles behavior in deep planetary interiors, with respect to mantle petrology and diamond mineralogy. In the GL he will perform laser heating diamond anvil cell experiments on C-H and C-O-H systems. As well as he will be engaged in other high pressure projects.

 

Victor Lugo
Shop Foreman
E-mail: vlugo@ciw.edu
Phone: 202-478-8922

Victor Lugo is the Geophysical Laboratory Shop Foreman. He earned his skills as an Instrument Maker at a three-year machinist program in Mexico City. Victor started working in production for a pharmaceutical facility and gained experience working for an aerospace contractor. He manages activities in the shop and supports the high pressure lab, operating and producing scientific instruments.

 

Irena Mamajanov
Postdoctoral Associate
E-mail: imamajanov@ciw.edu
Phone: 202-478-8916

Dr. Irena Mamajanov joins GL as a postdoctoral associate from Georgia Tech.  She will be working with George Cody on the characterization of hyperbranched polyesters as potential enzyme precursors using solid state NMR.  Her other research interests include solid-state NMR, origin of life and astrobiology.  You can find her in office R-147.

 

Andrea Mangum
Deep Carbon Observatory Program Manager
E-mail: amangum@ciw.edu
Phone: 202-478-8816

Andrea Johnson Mangum joined the the Deep Carbon Observatory (DCO) in June 2010. She manages the DCO Secretariat—bringing together an international and multidisciplinary group of researchers to address the many outstanding questions surrounding the nature of carbon in Earth's interior. She will also address issues relating to the DCO’s developing strategies for communication, education, and outreach. Andrea, who has a M.S. in geology and experience as a science writer, previously worked for over 15 years in program management with the Ocean Drilling Program and Integrated Ocean Drilling Program.

 

Agnes Mao
Assistant to Ho-kwang Mao
E-mail: amao@ciw.edu
Phone: 202-478-8960

Agnes Mao received her BA degree in Diplomacy from National Chen-Chi University, Taipei, Taiwan in 1966. She obtained her MLS degree in Library and Information Sciences from University of Maryland in 1970. From 1970 to 2000, she was working at various posts in the Collection Management Division at the George Mason University, VA. After her retired from 30-year librarian career at GMU, she works as a volunteer assistant to Dave Mao at the Lab.

 

Ho-kwang (Dave) Mao
Senior Staff Scientist
E-mail: hmao@ciw.edu
Phone: 202-478-8935

Ho-kwang Mao's research centers on ultra-high pressure physics, chemistry, material sciences, geophysics, geochemistry and planetary sciences using diamond-anvil cell techniques that he has pioneered. He received a Ph.D and MSc from University of Rochester in 1968 and 1966, and a BSc in geology from National University in Taiwan, China in 1963.

 

Isabella Marku
Summer Library Intern

Isabella “Bella” Marku joins the Geophysical Laboratory as a summer library intern from McLean High School. She is working on indexing the photograph collection from the DTM expeditions to survey Earth’s magnetic field with Shaun Hardy. She is also interested in astronomy, geosystems and history.

 

Naira Martirosyan
Visiting Investigator
E-mail: martirosyanns@gmail.com

Naira Martirosyan is a visiting investigator from the Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia. She is working with Alex Goncharov on carbon speciation and redox reaction experiments in relation to Earth’s mantle and core.

 

Jennifer Mays
DCO Science Program Assistant
E-mail: jmays@carnegiescience.edu
Phone: 202-478-8818

Jennifer Mays joins the Geophysical Laboratory as a DCO Science Program Assistant. Jennifer is assisting with various documents (writing, editing, proofreading), writing; managing, and disseminating correspondence with scientific committee members and project partners; planning and logistics for conferences and meetings (many international); website updates and oversight; and providing other administrative support as necessary. Jennifer is also interested in paleolimnology, stable isotope geochemistry and archaeology.

 

Yue Meng
Beamline Scientist
E-mail: ymeng@ciw.edu
Phone: 630-252-0483

Yue Meng is a beamline scientist. She researches the properties of materials at high pressure and temperature, using experimental techniques including x-ray spectroscopy, x-ray diffraction, optical spectroscopy, neutron diffraction, with applications to physics, chemistry, materials science, and geophysics. As one of the pioneers in developing high-pressure IXS, she has applied the technique to studies of electronic bonding changes in several low-Z materials at high pressure. At HPCAT, she is responsible for the development and operation of micro-focused x-ray diffraction with in-situ laser heating for structural properties at simultaneous ultra-high PT conditions.

 

Yufei Meng
Research Scientist
E-mail: yfmeng@ciw.edu
Phone: 202-478-8959

Yufei Meng works with the CVD diamond group at the Lab as a postdoctoral fellow. Her research focuses on the defects in different diamonds and their influence to properties and formation. Room R-147

 

Reed Mershon
Summer Scholar
E-mail: reed.mershon@gmail.com

Reed Mershon is a third year student studying in the Geophysical Sciences at the University of Chicago. This summer, Reed is working with Yingwei Fei and Colin Jackson on understanding the partitioning of sulfur in the Earth’s core. RG31

 

Michael B. Meyer
DTDI Project Science Manager
E-mail: mmeyer@carnegiescience.edu
Phone: 202-478-8910

Michael (Mike) Meyer joins from Penn State Harrisburg as a Keck project manager for deep-time data infrastructure. He is working with Bob Hazen on coordinating and integrating the efforts of a team of Earth, life, and data scientists from the project’s six nodes: Carnegie Institution of Washington (CIW), which will serve at the program’s headquarters; Harvard University; Johns Hopkins University; Rensselaer Polytechnic Institute (RPI); Rutgers University; and the University of Arizona. Mike is interested in geobiology, paleontology, taphonomy and nano-scale characteristics.

 

Quintin Miller
Building Engineer
E-mail: qmiller@ciw.edu

Quintin Miller began working at the BBR campus on April 1, 2011 as a Building Engineer Apprentice. Prior to joining Carnegie, he worked as a mechanic's helper at Gaghan Mechanical, Inc. in Alexandria.

 

Takaki Muramatsu
Postdoctoral Associate
E-mail: tmuramatsu@ciw.edu
Phone: 202-478-4595

Takaki's research focuses on strongly correlated electron systems under high pressure and low temperature. He hopes to expand the pressure range of electrical conductivity and magnetic measurements.

 

Caitlin Murphy
Visiting Investigator
E-mail: cmurphy@ciw.edu
Phone: 202-478-2373

Caitlin Murphy joins us as a new Carnegie Fellow working with Yingwei Fei and Russell Hemley. She is interested in understanding how defects and impurities influence the structural, vibrational, and electronic properties of materials at high pressures. Her postdoctoral research will focus on experimentally probing the effects of composition, pressure, and temperature on the transport properties of mantle and core materials using diamond anvil cells and advanced radiation sources. Caitlin received a B.S. in Earth, Atmospheric and Planetary Sciences from MIT in 2007, and a Ph.D. in Geophysics from Caltech in 2012. Presently, she occupies a desk in R-133

 

Bjørn O. Mysen
Senior Staff Scientist
E-mail: bmysen@ciw.edu
Phone: 202-478-8975

Bjørn O. Mysen's areas of research include experimental high-temperature and pressure analyses, investigations into the properties and processes of rock-formation and related materials with an emphasis on melting. He is also interested in examining the phase relations of mantle materials, fluids in melting processes, the properties and structure of melts and glasses, element partitioning between minerals, fluids and melts at high-pressures and temperatures. He obtained a Ph.D in geochemistry from Pennsylvania State University in 1974, and a BSc and MA from University of Oslo in 1969 and 1971.

 

Ivan Naumov
Research Scientist
E-mail: inaumov@ciw.edu
Phone: 202-478-8942

Ivan Naumov’s research interests are in theoretical modeling and understanding of real materials with considerable fundamental and/or technological relevance. Using first-principles density functional methods, ab-initio derived Hamiltonian approach coupled with Monte-Carlo simulations, and other techniques, he explores a broad array of structural, electronic, vibrational, and transport properties of materials such as ferroelectrics, superconductors, shape-memory alloys and graphene-based nanostructures. R-106

 

Andrew Needham
Postdoctoral Associate
E-mail: aneedham@ciw.edu

Andy specializes in coordinated analyses of the mineralogy, chemistry and isotopic composition of planetary materials. His research at the Geophysical Laboratory, working with Andrew Steele, involves the reaction pathways of carbon in the Martian crust and mantle. Andy also continues research into the formation and evolution of the early solar system through collaborations with NASA-JSC, from where he joins the Geophysical Laboratory.

 

Trong Nguyen
Assistant Controller
E-mail: tnguyen@ciw.edu
Phone: 202-478-8904

Trong came to the Geophysical Laboratory to join the new Support Staff in April 2006. rong worked as Financial Accountant at the P St. headquarters for 13 years before working at the Lab. He graduated from the School of Business Administration of George Mason University, and worked for the Fairfax County Public Schools before being employed by Carnegie. He lives in Annandale, Virginia with his wife and two children.

 

Changyong Park
Beamline Scientist
E-mail: cpark@ciw.edu

Changyong Park is a Beamline Scientist at HPCAT. He is responsible for developing and integrating novel high-pressure synchrotron techniques, supporting HPCAT operations and conducting original research. His research interests include amorphous and liquid structure of refractory materials under high pressure, structure and property correlations, and physics and chemistry of mineral-fluid interfaces.

 

Dmitry Popov
Beamline Scientist
E-mail: dpopov@ciw.edu
Phone: 630-252-7106

Dmitry Popov is a Beamline Scientist at HPCAT. His duties include user support and development of experimental techniques for high-pressure studies. His original research is focused on development of X-ray diffraction method to collect high resolution data on selected single-crystals under extreme pressure/temperature conditions.

 

Charles Prewitt
Director Emeritus
E-mail: cprewitt@ciw.edu

Charlie's research interests include the characterization of minerals, analogs, and new materials. His research on silicates and oxide materials, specifically, and his development of principles of ionic radii in these materials, has been highly influential in the earth and materials sciences over the past 40 years. Charlie was the Director of the Geophysical Laboratory from 1986 to 1999. For more information, please view Russell J. Hemley's talk presented at an MSA symposium in 2003 to honor Charlie's receipt of the Roebling Medal.

 

Gefei Qian
IT/IS Administrator
E-mail: gqian@ciw.edu
Phone: 202-478-8970

Gefei joined the Geophysical Laboratory  IT group in September 2008. He has been working in IT administration since 1990 and his interest in programing dates back to the 80's. Gefei is experienced in HPC computing, CISC system programing, software engineering, instrument control, netbotics, and IT services. He is enthusiastic to provide the GL staff with various excellent IT-related services.

 

Eric Rod
Beamline Technician
E-mail: erod@ciw.edu
Phone: 630-252-0412

Eric Rod is a beamline technician. He supports scientific staff and community with design, procurement, fabrication, setup, upgrade and repair of electrical, mechanical, ultra high vacuum (UHV), precision motion, optical, cryogenic, pneumatic, control and laser instrumentation for use with x-ray experimentation in a synchrotron environment at HPCAT.  Eric is currently pursuing engineering degree.

 

Raphi Rose
Summer Intern
E-mail: raphi.rose@gmail.com

Raphi Rose is a student at Richard Montgomery High School, who joins the Geophysical Laboratory as a summer intern. He is working with Ron Cohen on transducer experiments. RG31

 

Douglas Rumble III
Senior Staff Scientist
E-mail: drumble@ciw.edu
Phone: 202-478-8990

Douglas Rumble is a petrologist and geochemist with the Geophysical Laboratory of the Carnegie Institution of Washington. He earned a BA from Columbia College and a PhD from Harvard University. He served as assistant professor at UCLA and on detail as a Program Director in the Earth Sciences Division of the US National Science Foundation. He worked as a Board Member of Geoscience World to provide top-quality electronic publishing technology to Earth Science Societies for their journals. Current research, led by E. D. Young (UCLA), is on development of Panorama, a high mass resolution mass spectrometer designed by P. A. Freedman and built by Nu Instruments Ltd. for the measurement of multiply substituted isotopologues of geochemical and atmospheric gases

 

Craig Schiffries
Deep Carbon Observatory Director
E-mail: cschiffries@ciw.edu
Phone: 202-478-8819

Schiffries received his Ph.D. in geology from Harvard and is currently the Director of the Deep Carbon Observatory at the Geophysical Laboratory of the Carnegie Institution in Washington. He completed his undergraduate work at Yale where he graduated summa cum laude with a double major in geology and geophysics, and economics and political science. He also earned a master's degree in geology and geophysics at Yale, and then an honors B.A. in philosophy, politics, and economics at Oxford University. He has received numerous fellowships and awards, including: Hertz Foundation Graduate Fellowship, Marshall Scholarship to Oxford University, Yale's Belknap Prize, Burton P. Twichell Memorial Scholarship at Yale, and Bank of America Scholarship for Science and Mathematics. Schiffries has also done fieldwork in North America, India, South Africa, and the USSR. Craig will help lead the continued development of the Deep Carbon Observatory (DCO) and the establishment of a broad international coalition of scientists and organizations devoted to the study of carbon in the Earth. He served as Director for Geoscience Policy at the Geological Society of America, where he provided advice to Congress and policy makers on a broad range of geoscience issues. He and his office have provided advice to Congress and policy makers on many geoscience issues. He is a former Carnegie Fellow (1988-1990) at the Geophysical Laboratory, so his new position represents a return to Carnegie. His scientific research focused on water-rock interactions and economic geology.

 

Michelle Scholtes
Web/Departmental Assistant
E-mail: mscholtes@ciw.edu

Michelle Scholtes joins the Geophysical Laboratory as the webmaster and departmental assistant. As the webmaster, Michelle is in charge of website content management and development, online newsletter production, social media, conference news coverage, and more. Departmentally, she acts as the seminar coordinator, outreach and event planner, gas cylinder process/office manager, and administrative assistant. Michelle has a broad range of skills including content management systems and expertise in implementing social media and marketing campaigns. Prior to joining Carnegie, she worked in administration in the real estate industry and telecommunications and advertising consultancies. She holds a B.A. in Public Relations from the University of Maryland, College Park (May 2009).

 

Guoyin Shen
HPCAT Director
E-mail: gshen@ciw.edu
Phone: 630-252-0429

Guoyin Shen's research covers a broad range of subjects aimed at understanding the behavior of materials under high-pressure and extreme temperature conditions. The research activities include investigation of phase transformations and melting lines in molecular solids, oxides and metals; characterization of liquids and amorphous materials under high-pressure/temperature conditions; measurement of crystal chemistry, elastic and transportation properties of deep Earth materials at pressure-temperature conditions equivalent to the Earth’s interior. His current research includes the study of structure and density of silicate liquids at high pressure and melting temperature determinations of silicates and iron alloys at Megbar pressures.

 

Haiyun (Kevin) Shu
Visiting Investigator
E-mail: hshu@ciw.edu
Phone: 202-478-8875

Kevin has been working at GL as a lab technician since 2005 and he covers the gravy yard shift between 9pm - 9am. His duties include the maintenance and operation of microwave plasma CVD systems, iron wheel polishing machines, and preparation of diamond samples for various experiments.

 

Jinfu Shu
Research Scientist
E-mail: jshu@ciw.edu
Phone: 202-478-8963

Jinfu Shu's research interests are in high pressure synchrotron x-ray single crystal studies, diamond inclusions, and micromineral studies. Jinfu earned his Ph.D. at Wuhan College of Geology in China in 1987.

 

Stanislav Sinogeikin
Associate Director of HPCAT
E-mail: ssinogeikin@ciw.edu
Phone: 630-252-4038

Stanislav (Stas) Sinogeikin is the Associate Director of HPCAT. His diverse research interests include mineralogy of the upper mantle and transition zone of the Earth, physical (especially elastic) properties of materials at high pressures and temperatures, applications of high-pressure mineral physics to the dynamics of the Earth’s interior, time-resolved studies of materials at high pressure, and development of x-ray microdiffraction and spectroscopic techniques and supporting facilities and sample environment devices for at high pressure and temperature studies.

 

Corliss Kin I Sio
Postdoctoral Fellow
E-mail: ksio@carnegiescience.edu
Phone: 202-478-1078

Corliss Kin I Sio joins the Geophysical Laboratory as a postdoctoral fellow from the University of Chicago. She is working with Anat Shahar on olivine growth rates in basaltic melts. Corliss is also interested in isotope geochemistry and experimental petrology. R-233

 

Jesse Smith
Beamline Scientist
E-mail: jssmith@ciw.edu

Jesse is a beamline scientist at HPCAT. His activities include user support, technical development, and research. His scientific interests cover a broad range of topics related to the structure and properties of materials subjected to extreme conditions, and he is also interested in the development of high pressure experimental methods and techniques using synchrotron radiation. Jesse was granted degrees in Physics and Philosophy from Temple University in 2004 and a Ph.D. in Physics from the University of Ottawa in 2009. He joined the Geophysical Laboratory of the Carnegie Institution of Washington in 2011.

 

Maddury Somayazulu
Research Scientist
E-mail: msomayazulu@ciw.edu
Phone: 202-478-8911

Maddury Somayazulu is the CDAC laboratory manager and research scientist at the Geophysical Laboratory. He manages the diamond anvil cell laboratory and the gas-loading laboratory in addition to pursuing his research on high pressure-high temperature materials physics and chemistry.

 

Verena Starke
Visiting Investigator
E-mail: vstarke@ciw.edu
Phone: 202-478-8994

Verena Starke is a molecular biologist and microbial ecologist specializing in environmental microbiology. She developed a strong background in these fields during her masters’ research at the Philipps-University Marburg (Germany), and her Ph.D. dissertation at the University of Maryland (USA). Her main research interests lie in microbial ecology under changing environmental conditions. Particularly, she is interested in how microbial communities change along environmental gradients, and how the environment influences microbial community makeup.

 

Andrew Steele
Senior Staff Scientist
E-mail: asteele@ciw.edu
Phone: 202-478-8974

Andrew Steele uses traditional and biotechnological approaches for the detection of microbial life in astrobiology and solar system exploration. He received a Ph.D in biotechnology from the University of Portsmouth, U.K. in 1996, and a BSc in microbiology and biochemistry from the University of Central Lancashire, U.K. in 1992.

 

Timothy Strobel
Staff Scientist
E-mail: tstrobel@ciw.edu
Phone: 202-478-8943

Timothy Strobel's research is centered around the synthesis and characterization of novel materials for energy and advanced applications. New materials are synthesized using unique pressure-temperature conditions and through innovative processing pathways. Of particular interest are extended structures rich in carbon, silicon and germanium, as well as hydrogen-rich molecular systems. He received his B.S. (2004) and Ph.D. (2008) in Chemical Engineering from the Colorado School of Mines. In 2008 he joined the Geophysical Laboratory of the Carnegie Institution of Washington as a Carnegie Postdoctoral Fellow and was appointed Staff Scientist in 2011.

 

Viktor Struzhkin
Senior Staff Scientist
E-mail: vstruzhkin@ciw.edu
Phone: 202-478-8952

Viktor V. Struzhkin focuses on experimental research at high pressures. He undertakes transport and magnetic measurements, and applies optical and synchrotron spectroscopy techniques to geophysics, planetary science and condensed-matter physics research. He obtained a Ph.D in solid-state physics from Institute for High Pressure Physics, Russian Academy of Science in 1991 and a combined BSc and MSc in physics from Moscow Institute of Physics and Technology, Russia in 1980.

 

Fuhai Su
Postdoctoral Associate
E-mail: fsu@carnegiescience.edu

Fuhai Su is a new Postdoctoral Associate from the Institute of Solid State Physics, PR China. He is carrying out experiments on materials fabrication at high pressures as well as ultrafast optics in collaboration with Alex Goncharov.

 

Dimitri Sverjensky
Senior Visiting Investigator
E-mail: dsverjensky@ciw.edu
Phone: 202-478-7975

Dimitri Sverjensky is a Professor of Geochemistry in the Department of Earth and Planetary Sciences at the Johns Hopkins University. Professor Sverjensky received his B. Sc. degree with First Class Honors from the University of Sydney (Australia) in 1973 and a Ph.D. from Yale University in 1980. He has worked in the fields of economic geology, isotope geochemistry and theoretical aqueous solution chemistry. In recent years, his research has focused on integrating theoretical and experimental studies of the geochemistry of the mineral-water interface, mainly with applications to environmental geochemistry and to the role of surface chemistry in the origin of life. He has been a Visiting Investigator since 2005.

 

Gabor Szilagyi
Systems Administrator
E-mail: gszilagyi@carnegiescience.edu
Phone: 202-478-8973

Gabor Szilagyi has been appointed full time Systems Administrator to work alongside Gefei Qian. Gabor will focus on IT network and infrastructure support at the Geophysical Laboratory (GL) within the broader BBR IT support group. During the past year, Gabor has worked part time at GL and P St., and has been a great asset to our campus. We congratulate Gabor in his new role at GL and BBR.

 

Hiroyuki Takenaka
Postdoctoral Associate
E-mail: htakenaka@ciw.edu
Phone: 202-478-2371

Hiroyuki (Hiro) Takenaka joins the Geophysical Laboratory as a postdoctoral associate working with Ronald Cohen on theoretical investigations on transducers. Hiro is also interested in finding new electro-mechanical transducers with improved properties. Hiro received a Ph.D. of mechanical engineering at the School of Science and Engineering, Meiji University in 2006. Prior to joining the Geophysical Laboratory, Hiro was a postdoctoral fellow for Professor Andrew M. Rappe, University of Pennsylvania. His focus was the origin of anomalous physical properties in relaxor ferroelectrics and bulk photovoltaic effect in oxide, oxy-­‐sulfide, sulfide compounds.

 

Rajasekarakumar Vadapoo
Postdoctoral Associate
E-mail: rvadapoo@carnegiescience.edu
Phone: 202-478-7977

Rajasekarakumar Vadapoo joins the Geophysical Laboratory as a postdoctoral associate from Spintec, CEA/CNRS in Grenoble, France. He is working with Ron Cohen to use first-priciple computations to synthesize, modify, and manipulate piezoelectrics, and then use chemical pressure to design epitaxial heterostructures that stabilize the materials with enhanced properties at ambient conditions. R133

 

Marilyn (Helen) Venzon
Accounts Payable Specialist
E-mail: mvenzon@ciw.edu
Phone: 202-478-8905

Helen started her first job as a Educational Specialist at the Cultural Office of the Embassy of Egypt. She then moved to Computer Sciences Corporation in Falls Church, Virginia, where she worked as a Sr. Human Resources Specialist for 8 years. She came to Carnegie in 2007. Helen graduated from Maryknoll College in the Philippines.

 

Seth Wagner
Junior Machinist/Instrument Maker
E-mail: swagner@carnegiescience.edu
Phone: 202-478-8920

Seth Wagner joins the Geophysical Laboratory's machine shop as a junior machinist/instrument maker. He is working with Vic Lugo to learn technical skills such as basic industrial math, material handling safety, interpreting geometric dimensions and tolerances and symbology. Seth will also acquire machining and metal working skills including identification of metals, layout, drilling, classification of fasteners and fundamental metal cutting as part of the machinist’s program.

 

Junyue Wang
Postdoctoral Associate
E-mail: jywang@ciw.edu
Phone: 202-478-8987

Junyue Wang is a postdoctoral associate at HPSynC. He works on synchrotron based nano resolution x-ray microscopy and computerized tomography, and their applications in high pressure research. He received a Ph.D. in 2009 from the Institute of Physics at Academia Sinica in Taiwan, China.

 

Lin Wang
HPSynC Research Scientist
E-mail: lwang@ciw.edu

Lin Wang is a research scientist at HPSync and a senior investigator work for EFree. His principal research interests are the properties of nano materials under high pressure; Synthesis of nano materials, Properties of low dimensional materials and High Tc superconductor, Nano focused Synchrotron x-ray, and diamond anvil cell techniques for ultra-high pressure.

 

Qianqian Wang
Postdoctoral Associate
E-mail: qwang@carnegiescience.edu
Phone: 202-478-8934

Qianqian Wang is a postdoctoral associate from Yanshan University working with Tim Strobel. She is working on diamond anvil cells and large-volume synthesis experiments, as well as density functional theory calculations for creating novel carbon-based materials with superlative properties.

 

Merri Wolf
Library Technical Assistant
E-mail: mwolf@ciw.edu
Phone: 202-478-7962

Merri Wolf's job as Technical Assistant at the Broad Branch Road Library since 1992 is the first position she has stayed at more than four years. Merri attributes her perpetual interest in her work to the people she has met here and the never-ending challenge and rewards of scientific endeavor she has had the privilege to observe. She had worked for doctors, lawyers, publishing and advertising executives, retail companies at the administrative and sales levels, nonprofits and professional sports before she came to Carnegie.

 

Yuming Xiao
Beamline Scientist
E-mail: yxiao@ciw.edu
Phone: 630-252-4058

Yuming Xiao is a beamline scientist at HPCAT of Geophysical Laboratory. He received his Ph.D. from Department of Applied Science at University of California, Davis in 2007. His thesis was focused on studying metal clusters in metalloproteins (nitrogenase and hydrogenase) with synchrotron spectroscopes (EXAFS, NFS, NRVS, XES). At HPCAT, Yuming is interested in studying electronic and magnetic properties of materials under pressure using synchrotron spectroscopes.

 

Liuxiang Yang
GL-HPSTAR Postdoctoral Associate
E-mail: lyang@ciw.edu
Phone: 202-478-8988

Liuxiang Yang is a postdoctoral associate from the Chinese Academy of Sciences. He works with Reinhard Boehler and others on the melting of transition metals and noble gases.

 

Wenge Yang
Research Scientist
E-mail: wyang@ciw.edu
Phone: 630-252-0487

Wenge Yang received his Ph.D in Condensed Matter Physics in 1995. The focus of his research effort is to develop novel synchrotron radiation techniques (x-ray diffraction, imaging and spectroscopy) for high pressure research.

 

Jianjun Ying
Postdoctoral Associate
E-mail: jying@ciw.edu
Phone: 202-478-8992

Jianjun Ying joins us this week as a postdoctoral associate from the University of Science and Technology of China.  He will be working on synthesizing superconducting materials and measuring their physical properties with Xiaojia Chen and Viktor Struzhkin.  

 

Todd Zapata
Visiting Investigator
E-mail: todd-austin-zapata@neo.tamu.edu
Phone: 202-478-7963

Todd Zapata joins the Geophysical Laboratory as a visiting investigator from Texas A&M University.  He is researching materials under high pressure using diamond anvil cells with Viktor Struzhkin.

 

Changsheng Zha
Research Scientist
E-mail: czha@ciw.edu
Phone: 202-478-8948

Chang-Sheng Zha is a research scientist, who develops and uses a variety of experimental techniques. These techniques include Raman, Brillouin spectroscopy, and synchrotron x-ray diffraction combining the extreme P-T conditions for the study of physics, chemistry, geoscience and material science. His current interests are focusing on the properties of hydrogen and other molecular crystals under multiple megabar pressure range and extreme temperatures. Zha was a staff scientist in charge of the high pressure program at Cornell High Energy Synchrotron Source (CHESS) before moving to the Geophysical Laboratory.

 

Haidong Zhang
Postdoctoral Associate
E-mail: hzhang@ciw.edu
Phone: 202-478-8919

Haidong Zhang joins the Geophysical Laboratory as a postdoctoral associate from the University of Florida. He works on novel materials with Timothy Strobel, aiming to discover new materials with outstanding properties, which can be synthesized under extreme conditions such as high pressure and high temperature. RG31.

 

Xiao-Miao Zhao
Visiting Investigator
E-mail: xzhao@carnegiescience.edu

Xiamiao Zhao joins the Geophysical Laboratory from South China University of Technology as a visitor working with Alex Goncharov and Viktor Struzhkin. She is working on polycyclic hydrocarbons in connection with their possible superconducting properties, which will include structural determination, optical and resistivity measurements. You can find her in office A-G28A until the end of August.