DALLADAY-SIMPSON Philip is currently a staff scientist at the Center for High Pressure Science and Advanced Technology Research (HPSTAR) based in Shanghai, China. He earned his BSc at Queen Mary College part of the University of London and continued to pursue his interest in physics obtaining his PhD at university of Edinburgh in 2016. His main interests are simple systems at extreme pressures using diamond anvil cell technologies complimented with diagnostics such as Raman Spectroscopy and synchrotron X-ray diffraction. philip.dalladay-simpson@hpstar.ac.cn‍

DANIEL Isabelle is Professor of Mineralogy at the Univ. Lyon (France) where she chairs the Observatory of Astronomy, Earth and Planetary Sciences. She received her B.S. from the Ens de Lyon, M.S. from the Univ. Rennes, Ph.D. from the Univ. Lyon. Her research focuses on in situ Raman and X-ray spectroscopy to probe the structure of aqueous fluids and interactions with minerals, rocks and micro-organisms under the high P-T conditions relevant to various geological settings. She is a co-chair of the Deep energy Community of the DCO. isabelle.Daniel@univ-lyon1.fr

DONG Hailiang 董海良 is a professor of Geomicrobiology and Geochemistry. His research aims to understand how and why microorganisms and geological media interact, in four focus areas: 1) Mineral-mineral interactions; 2) Remediation of heavy metals, radionuclides, and organic compounds; 3) Microbial life in extreme environments; 4) Microbial response to climate change. Dong has published >220 papers with an H-index of ~40. He is a recipient of many awards and is Editor-in-Chief for Chemical Geology, Associate Editor for Geochimica et Cosmochimica Acta, Clays & Clay Minerals, Geomicrobiology Journal. dongh@miamioh.edu

  GREGORYANZ Eugene is a Professor of School of Physics and Astronomy at University of Edinburgh (UK) since 2012. He joined Institute of Physics of Russian Academy of Science as a research scientist in 1989. He was a Senior Research Scientist at Geophysical Laboratory of Carnegie Institution of Washington. In 2005, he was invited as a Professor of Laboratoire de Mineralogie-Crystallographie de in Universitй de Paris VI. As an outstanding scientist in high-pressure, he has 80+ publications which include 30+ papers in such journals as Nature, Science, Phys. Rev. Letters and PNAS. eugene.gregoryanz@hpstar.ac.cn

GUO Xusheng 郭旭升, professor of Engineering, concentrates on the research and practice of theory and technology for shale gas and ultra-deep gas exploration, discovered the first large-scale shale gas field besides the North America—Fuling shale gas field, and the world’s first ultra-deep reef gas field—Yuanba field，and got 3 times of the first-class National Scientific and Technological Progress Award. guoxs.ktnf@sinopec.com

GUO Zhengfu 郭正府 is a professor at Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China. He received an MS (1989) and a PhD (1996) in Petrology from China Univ. Geosciences (Beijing). His research interests include: (1) flux and origin of greenhouse gases from Cenozoic volcanic fields in China, (2) post-collisional volcanism in Tibet and constraints on uplift of the plateau, (3) volcanism and its implications for paleo-environment, (4) paleoelevation estimation based on vesicular basaltic lava flow in the Tibetan Plateau. zfguo@mail.iggcas.ac.cn

 HAZEN Robert, DCO’s Executive Director, is a mineralogist and astrobiologist. He is a research scientist at the Carnegie Institution for Science, and professor of Earth Science at George Mason Univ. Hazen is author of more than 400 articles and 20 books on science, history, and music. His research focuses on the role of minerals in the origin of life, including such processes as mineral catalyzed organic synthesis and the selective adsorption of organic molecules on mineral surfaces. He has developed a new approach, called "mineral evolution," which explores the coevolution of the geo- and biospheres. His work has been recognized by Fellowship in the American Association for the Advancement of Science, the Geological Society of America, the Geochemical Society, and the Mineralogical Society of America. He was the 2016 recipient of the Roebling Medal. The mineral hazenite was named in his honor.  rhazen@carnegiescience.edu

HE Yongsheng 何永胜, an associate professor in China University of Geosciences, Beijing, got his bachelor in 2005 and doctor degree in 2011 from Univerisity of Science and Technology of China. During his PHD, he characterized chemical features of partial melts from thicken/delaminated lower continental crust and studied collapse of the mountain root of the Dabie orogen. Then he moved to CUGB and changed his focus on observation and deciphering of metal (mainly Fe-Mg-Ca) stable isotopic geological records, among which using Fe isotopes to trace electron transportation among geological reservoirs is in particular intrigued. heys@cugb.edu.cn

HINRICHS Kai-Uwe is Professor of Organic Geochemistry at the MARUM Center for Marine Environmental Sciences at the Univ. Bremen since 2002. He and his research group study the interactions between microbial life and the carbon cycle on a range of spatial, temporal and molecular scales. After receiving his PhD in Chemistry at the University of Oldenburg in 1997, he worked for six years at the Woods Hole Oceanographic Institution. His achievements have been recognized with the Gottfried-Wilhelm Leibniz Award of the Deutsche Forschungsgemeinschaft (2011), two Advanced Grants of the European Research Council (2010, 2015) and the C.C. Patterson Award of the Geochemical Society (2017).

HU Qingyang 胡清扬 received his Ph.D. degree at George Mason University in 2014. After two postdocs at Carnegie Institution of Washington and Stanford University, he worked as a staff scientist at the HPSTAR, China. He is specialized in the field of high-pressure mineral physics, mineral chemistry, particularly in studying new mineralogy under lower mantle conditions. His research in oxygen rich minerals like FeO2 shed new light on oxygen cycles in Earth’s interior. qingyang.hu@hpstar.ac.cn

KATSURA Tomoo, a professor of the Bayerisches Geoinstitut, University of Bayreuth. His research aims to investigate the structure, dynamics and evolution of the Earth’s mantle by determining physical and chemical properties such as phase equilibrium, equation of state, electrical conductivity, element diffusivity and dislocation mobility of mantle minerals under high P-T conditions using multi-anvil apparatus. He also devotes himself to develop multi-anvil technology to expand its application to mineral physics and chemistry. tomo.katsura@uni-bayreuth.de

KIM Duck Young is working at the Center for High Pressure Science & Technology Advanced Research (HPSTAR) as a staff scientist. His expertise is in computational condensed matter physics and studies on various materials related to energy frontier research and geoscience.  Dr. Kim received 2010 Ångströms premium and 2012 Benzelius prize in Sweden. He was also awarded 2013 Jamieson award from AIRAPT. duckyoung.kim@hpstar.ac.cn

LAU Maggie is a geomicrobiologist and microbial ecologist. She devotes herself to exploring the microbiomes in extreme environments (hot springs, deserts, deep biosphere and Polar science), specifically their roles in biogeochemical cycles, and their interactions with each other, and with their surroundings. One of her research focuses is using next-generation sequencing data and bioinformatics to decipher metabolic potential and active metabolisms of uncultured microorganisms in the deep subsurface, Arctic and Antarctic. maglau@Princeton.edu

LEE Yongjae received PhD. from Stony Brook University in 2001 and now is a professor at the Department of Earth System Sciences, Yonsei University in Korea and also an adjunct staff scientist at HPSTAR.  He has published about 155 research papers and is currently leading a research group working on high-pressure crystallography of porous materials, subduction zone mineral physics, and more recently dynamic compression using short pulse laser at PAL-XFEL. yongjaelee@hpstar.ac.cn

LI Hua 李华, Professor, Chinese Academy of Engineering Physics (CAEP). Serve as Chairman of Science and Technology Committee of the CAEP and Vice President of Chinese Association of Science and Technology (CAST).  Major in high energy density physics and fluid dynamics. Research fields mainly concerns detonation and shock wave physics, energy driven implosion dynamics of complex systems, and dynamic responses of material under extreme thermodynamic conditions. Have been responsible for a number of research projects and received one S&T award at national level and several at ministerial level. lihuaw@iapcm.ac.cn

 LIN Jung-Fu “Afu” 林俊孚 is staffscientist of HPSTAR Shanghai Laboratory. His research interest is mineral physics (elasticity, phase transition, melting, water storage, spin transition), high pressure physics and materials science (iron-based superconductors, transition metal compounds, 2D TMDs graphene, superhard materials), planetary science (e.g., water, clathrate hydrates), high-pressure DAC techniques, synchrotron X-ray spectroscopies, time-resolved laser spectroscopies. linjf@hpstar.ac.cn

LIU Jin 刘锦 obtained his Ph.D. degree in Geological Sciences from the University of Texas at Austin in May 2015, and he is currently a Postdoc at Stanford Univ. He directly probes the physical and chemical properties of Earth and planetary materials at high P-T, which together with cosmochemical, geochemical, seismic, and geodynamical constraints, leads to a deeper understanding of planetary interiors, such as deep volatile cycles, early planetary differentiation, and core-mantle interactions. He has published over 30 peer-reviewed journal papers in Nature, Nature Comm., PNAS, EPSL, GRL, JGR, etc. jinliu1@stanford.edu

LIU Juan 刘娟 is an assistant professor in the College of Environmental Sciences and Engineering (CESE) at Peking Univ. In 2009, she received her Ph.D. degree in Geochemistry at Virginia Tech, USA. After working at Pacific Northwest National Laboratory for five years, she took a tenure-track faculty position in CESE at PKU in 2013. Her research focuses on understanding mineral-microbe interactions from geochemical and biochemical perspectives, especially on the kinetics and mechanisms of electron transfer at the mineral-microbe interface. Her studies have been published on Geochim. Cosmochim. Acta., Environ. Sci. Technol.,  J. Am. Chem. Soc., Nat. Rev. Microbiol., etc. juan.liu@pku.edu.cn

LIU Xiao-Di 刘晓迪 obtained the Ph.D. in Condensed Matter Physics from Univ. Science and Technology of China in 2013. Then she worked as an assistant professor in the Institute of Solid State Physics, Chinese Academy of Sciences since 2013. She did a lot of work on hydrogen, deuterium and hydrogen-deuterium mixtures at high pressures (0-200 GPa) and low temperatures (4-300 K). Also, she is interested in other condensed matter materials. She had published several papers including Science, PRL, PRB, and APL.

LIU Yongsheng 刘勇胜, a professor of geochemistry in the School of Earth Sciences at the China University of Geosciences (Wuhan). He received his PhD in geochemistry in 1999 for his work on the geochemistry of lower crustal xenoliths from the Hannuoba basalt. His main interests are microanalysis technology using LA-ICP-MS and crust-mantle interaction revealed by studying basalt and xenoliths carried by basalt. He is now investigating the mantle recycling of sedimentary carbonate rock. yshliu@cug.edu.cn

MA Yanming 马琰铭 received his Ph.D. in Jilin University, China, in 2001, and then spent several years abroad in National research council of Canada and ETH of Zurich for researches. He is currently a Changjiang Professor and Dean of College of Physics in Jilin University. His research interests mainly focus on development of simulation methods on structure prediction and large-scale electronic structure calculations that can be used to explore phase structures and exciting physics of condensed matters under high pressure. Dr. Ma has published >300 papers in refereed journals and given more than 100 invited talks in conferences and universities. He won the outstanding young scientist award and the second prize for national natural science in China, and the Walter Kohn prize dedicated to the quantum mechanics simulations. mym@jlu.edu.cn

 MANNING Craig is a professor of geology and geochemistry in the Department of Earth, Planetary, and Space Sciences at the University of California, Los Angeles. His research focuses on fluid-mineral interactions at extreme conditions, and the role of fluids in mantle and crustal melting. He also studies the structure and properties of H2O and CO2 ices at high pressure, as well as the petrological and tectonic evolution of convergent margins in Oman and central Asia. He is a Fellow of the American Geophysical Union, the American Mineralogical Society and the Geochemical Society, and is a recipient of the Norman L. Bowen Award. manning@ess.ucla.edu

 MAO Wendy is a visiting scholar of HPSTR. She is associate professor Geological & Environmental Sciences, Stanford University and Photon Science, SLAC.  Her research interest is mainly pressure induced dramatic changes in materials. Study the behavior of materials under compression which often leads to the discovery of novel phases and new phenomena. This research has a wide variety of applications including improving our understanding the interiors of Earth and other planetary bodies, providing insight into the condensation and evolution of volatiles in planetary systems, and providing guidance for developing new materials for applications like hydrogen fuel storage and advanced batteries.  wmao@stanford.edu

OHTANI Eiji is a geophysicist, who teaches and conducts research at Tohoku Univ. in Japan. He is an expert in high-pressure geophysics, with current research in experimental petrology, mineral physics, comparative planetology, and the structure and evolution of Earth and planets. Ohtani is a fellow of the Mineralogical Society of America and the American Geophysical Union. He serves as president of the Commission of Physics of Minerals of the International Mineralogical Association, and is a member of the Japan Science Council, where he also chairs the Japanese Committee for the International Mineralogical Association. A founding member of the Deep Carbon Observatory, Ohtani is also a member of the editorial board of the Journal of Mineralogical and Petrological Sciences. ohtani@m.tohoku.ac.jp

PAN Ding 潘鼎 is an assistant professor in the Department of Physics and the Department of Chemistry in Hong Kong Univ. Science and Technology. Currently he works in the Extreme Physics and Chemistry community. He obtained BS in physics at Univ. of Science and Technology of China in 2005, and ScD in condensed matter physics at Institute of Physics, CAS in 2011. He worked as a postdoctoral researcher in the University of California at Davis (2011-2014) and the University of Chicago (2014-2016). dingpan@ust.hk

 PARK Sulgiye, Graduate student of Stanford Univ., in Department of Geological Sciences. Her research interests include high P-T synthesis of nanodiamonds from carbon nanomolecules; properties of nitrogen-vacancy centers in diamonds; and behavior of lanthanide-bearing nuclear waste forms exposed to heavy ion irradiation, high P, and high T. She is a member of Geological Society of America and Mineralogical Society of America. sulgiye@stanford.edu

REDFERN Simon is Professor of Mineral Physics and Head of the Department Earth Sciences at the University of Cambridge. He is a visiting scientist at HPSTAR. He is interested in linking the atomic-scale structure and properties of minerals to planetary-scale processes on Earth and elsewhere. Currently, he applies experimental and computational methods to understand how minerals and fluids interact at the conditions. satr@cam.ac.uk

 SCHIFFRIES Craig is a research scientist at the Carnegie Institution for Science, who also serves as director of the DCO Secretariat. His career spans the interface between science and public policy, advising government agencies and strengthening scientific institutions. He was a Congressional Science Fellow, director of the Board on Earth Sciences and Resources at the U.S. National Academies, and first director for geoscience policy at the Geological Society of America. He has written science policy and testified before the U.S. Congress and the President’s Council of Advisors on Science and Technology. cschiffries@ciw.edu

SOGIN Mitchell is a distinguished senior scientist at the Marine Biological Laboratory in Woods Hole, Massachusetts, whose research investigates the evolution and diversity of single-celled organisms. mitchellsogin@gmail.com

STAGNO Vincenzo is an experimental petrologist interested in understanding the role of carbon during Earth formation and evolution, melting processes, diamond formation, Fe speciation in mantle minerals. VS obtained his PhD at the Bayerisches Geoinstitut before moving to Geophysical Lab as associate postdoc, then research scientist to investigate materials at extreme conditions. In 2014, he moved to the Geodynamics Research Center (Ehime University) to work in Irifune’s lab. Since 2015, VS has worked as assistant professor (tenure track) position at the Department of Earth Sciences at Sapienza University of Rome, where he is now building his own high-pressure lab. vincenzo.stagno@uniroma1.it

TAO Renbiao 陶仁彪is a postdoc at Geophysical Laboratory, Carnegie Institution of Washington. He got his B.S. degree in geochemistry at Lanzhou Univ. in 2009, PhD degree in metamorphic geology at Peking Univ. in 2014. His research interest includes deep fluid cycle in subduction zone and its effect on chemical heterogeneities of Earth’s mantle. He also has interest in redox state and evolution of deep mantle. Until now, I have 10 SCI papers published on Science advance, Geochimica et Cosmochimica Acta, Chemical Geology, Lithos, and American Mineralogist. rtao@carnegiescience.edu

WALTER Michael (Professor, Univ. Bristol; Incoming Director of the Geophysical Lab) has research interests in high P-T experimental petrology. His research focuses on the differentiation of the mantle and core, mantle melting and element partitioning, subsolidus phase relations and crystal chemistry, and the origin of deep mantle diamonds and their inclusions. Current projects include investigating hydrous partial melting in the transition zone and lower mantle with an aim to understand melt physical properties, investigating diamonds and their mineral inclusions as geodynamic tracers, and studying the recycling of volatile elements in the deep earth and their role in earth evolution.  M.J.Walter@bristol.ac.uk

WANG Fengping 王风平 is a distinguished Professor, School of Science and Biotechnology, Shanghai JiaoTong University (SJTU), Shanghai, China.  Her research focuses on the deep biosphere and microorganisms under extreme environment.  She uses conventional and modern microbiological technology, integrated with genome and biogeochemical methods, to investigate the adaption and key metabolism of the extreme organism.  She was nominated in 2007 for Chinese Young Woman Scientist Award.  fengpingw@sjtu.edu.cn

YANG Liuxiang 杨留响 received Ph.D degree in condensed matter at Institute of Physics, CAS. He worked as a postdoc with Dr. Reinhard Boehler on high P melting phenomena at Max-Planck Institute of Chemistry (Mainz, Germany) and at Geophysical Lab (CIW, US). In 2015, he became a research scientist at the HPSTAR in China. His current research interest mainly focuses on the study of melting phenomenon in high dense materials and the discovery of novel compounds under high pressure and temperature conditions. liuxiang.yang@hpstar.ac.cn

ZENG Zhidan 曾徵丹 received her B.S. in Materials Science and Engineering at Zhejiang University in 2006, and her Ph.D. in Materials Science and Engineering at Zhejiang University in 2011. After that, she worked at Stanford University and Carnegie Institute for Science as a å researcher. She joined HPSTAR as a staff scientist since 2016.  Her research interest includes the structure and properties of energy-related materials and group-14 elements (carbon, silicon, germanium, and related materials) under extreme conditions; synthesis of novel super-hard materials; mechanical properties and deformation of materials. zengzd@hpstar.ac.cn

  ZHANG Li 张莉 is a staff scientist at HPSTAR since 2014. Her research focuses on understanding the constitution and evolution of Earth’s interior through experiments under extreme high P-T conditions. She applies synchrotron x-ray to study reactions in volatile-bearing lower mantle system, identify the new phases, understand crystal chemistry and physical properties of minerals, under high P-T conditions simulated in a laser-heated diamond anvil cell. She received the “Shen-su Sun” award in 2016.  zhangli@hpstar.ac.cn

ZHANG Lifei 张立飞 is a Changjiang Professor and Dean of the School of Earth and Space Sciences, Peking University. He is a leading expert in the mineralogical and tectonic study of orogenic belts and ultrahigh pressure metamorphic terranes. He won the Outstanding Young Scholar Award of NSFC.  He has been elected as Fellow of Mineralogical Society of America and Fellow of American Geological Society.  With 140 publications and 5400 citations, he has been selected three times as a “highly cited Chinese scholar” by Elsevier. Lfzhang@pku.edu.cn

ZHANG Rui 张锐 majored in Marine Viral Ecology with >40 papers in Nature Reviews Microbiology, Geology, Biogeosciences, FEMS Microbiology Ecology, etc. He has led >10 projects granted by the Ministry of Science and Technology of China, National Natural Science Foundation of China, etc. He was awarded “National Natural Science Award (Silver Medal)” (fourth contributor) in 2015, the National Science Fund for Excellent Young Scholars in 2016. Dr. Zhang is a member of Joint PICES/ICES Working Group on Climate Change and Biologically driven Ocean Carbon Sequestration, contributing author for IPCC AR5 and Editor for Science in China, Earth Science (2018-). ruizhang@xmu.edu.cn

ZHANG Yu 张宇 is an Associate Professor in Shanghai Jiao Tong University. She obtained PhD in Applied Bioscience and Bioengineering, Gent University, Belgium, in 2011.  Her scientific interest resides in the low-T and high-P adaptation strategies that the microorganisms from deep sea and polar region have been taking. She develops the high-pressure based techniques to sample, cultivate and analyze these organisms effectively. Dr. Zhang has published more than 20 peer-reviewed papers in international journals, and has obtained 4 patents on the high-pressure technology. She has participated in 7 international scientific cruises as microbiologist, and has received National Science Foundation Antarctica Service Medal, USA.  zhang.yusjtu@sjtu.edu.cn

ZHANG Zhigang 张志刚 is associate Professor of the Institute of Geology and Geophysics, Chinese Academy of Sciences. His research interests include molecular simulations of fluids, melts and minerals and thermodynamic modeling of their physical chemical properties. He is a member of the team for the key program “Water in the Earth’s Interiors” funded by National Natural Science Foundation of China and also a member of the team for the project “Volatiles in the Mantle and their Effects” in a Strategic Priority Research Program (B) funded by Chinese Academy of Sciences. zgzhang@mail.iggcas.ac.cn

ZHENG Haiyan 郑海燕 obtained her Ph.D degree from Institution of Chemistry, Chinese Academy of Sciences in Organic Chemistry in 2011. She worked as a postdoctoral fellow with Prof. James M. Tour at Rice University and Dr. Ho-kwang Mao at Geophysical Lab, Carnegie Institution of Washington. In 2014, she joined Center for High Pressure Science and Technology Advanced Research as a tenure-tracked staff scientist. Her research centers on understanding the chemical reaction mechanism of small organic molecules under extreme conditions. She has developed a series of methods for studying the high pressure reaction and detecting the composition in amorphous products. zhenghy@hpstar.ac.cn