Board of Directors

Elisabeth (Liz) Sikes

Rutgers University, USA

01/2024 - 12/2025

Elisabeth (Liz) Sikes, is a professor of Oceanography at Rutgers University in New Jersey, USA. She is a paleoceanographer and paleoclimatologist whose research seeks to understand the ocean's influence on the carbon cycle and climate. Her research interests range from investigating the Southern Ocean's multiple roles in controlling glacial climate cycles to modern carbon cycling in estuaries. She gave the Emilani lecture in 2020 at the Fall AGU Meeting and has served as an associate editor of the journal Paleoceanography and Paleoclimate. She has served the Geochemical Society as a Board member, Chair of the Organic Geochemistry Division, and as the founding Chair of the Ethics Committee. She serves as co-chair of the Southern Ocean Regional Panel (SORP) of CLIVAR (Climate and Ocean Variability, Predictability, and Change) and CliC (Climate and Cryosphere), which is a core program of the World Climate Research Programme (WCRP). She is a member of the Southern Ocean Task Force for the United Nations Decade of Ocean Science for Sustainable Development.

Dominique Weis

University of British Columbia, Canada

Dominique Weis is a Canadian Research Chair Tier I and Killam Professor at the University of British Columbia, Vancouver, Canada. Her research aims to (1) determine the origin, source and distribution of heterogeneities in deep mantle plumes (e.g., Hawai'i, Kerguelen), and their variations through time; (2) apply select key geochemical tools to resolve indigenous-led questions; and (3) improve our understanding of the Earth's environment, using biomonitors such as honey or salmon to trace metal distribution and pathways in various reservoirs. Dominique is the Director of the Pacific Centre for Isotopic and Geochemical Research, a major analytical facility serving the needs of academics, government, and industry in Canada and worldwide. She gave the Daly lecture in 2010 at the Fall AGU Meeting and has served as an editor of the Journal of Petrology for 15 years and of Anthropocene for 2 years. She is a co-chief editor of the Treatise of Geochemistry (3rd Edition). Dominique served the GS in organizing the 2008 Goldschmidt Conference in Vancouver, as chair of the International Program Committee for the 2014 Goldschmidt Conference in Sacramento, and as a Board member and Finance Committee member. She served as AGU's President of the Volcanology, Geochemistry, and Petrology section and as a member of the Council Leadership Team. In addition to her wide research interests using various geochemical approaches, Dominique actively trains young scientists in technology transfer and the application of novel isotopic techniques for solving Earth and environmental problems.

Sumit Chakraborty

Ruhr Universität at Bochum, Germany

Past President
01/2024 - 12/2025

Sumit Chakraborty is a Professor at the Ruhr Universität at Bochum, Germany and director of the central accelerator facility, RUBION, on the campus of the University. He is interested in the timescales of geological and planetary processes, and in how processes occurring on a hierarchy of nested timescales are coupled to each other. He uses physical chemistry, in particular kinetics and diffusion, to develop tools for the determination of timescales. His research is based to equal extents on field studies, laboratory experiments and theoretical developments. He is a Geochemistry Fellow and was awarded the Dana Medal by the Mineralogical Society of America.

Frances Jenner

The Open University, UK

International Secretary
01/2023 - 12/2025

Frances Jenner is a senior lecturer (associate professor) in the School of Environment, Earth and Ecosystem Sciences at The Open University, UK. Her research focusses on the use of geochemistry for understanding the evolution of the Earth's mantle and the processes that create heterogeneity in the compositions of magmas that erupt at different tectonic settings. She is a member of the Geochemical Society Nominations Committee, has served as editor for the weekly Geochemical Society newsletter, as Theme Chair for Goldschmidt 2022, and has recently taken on the role of Review Editor for Frontiers in Earth Science.

Benjamin Tutolo

University of Calgary, Canada

01/2023 - 12/2025

Ben Tutolo is an Associate Professor of Geosciences at the University of Calgary. His research focuses on the reactive movement of fluids, solutes, and heat in geologic systems, with applications to the geologic and climatic evolution of both Earth and Mars. Ben has served as a mentor to students at the Goldschmidt conference annually since 2016, convened sessions at the Goldschmidt conference annually since 2017, served as an editor for Geochemical News from 2019 until 2021 and is currently serving on the Geochemical Society Award Nominations Committee.   Ben is also currently chair of the Ocean Networks Canada Ocean Observatory Council and routinely participates in science outreach programs such as Skype A Scientist and the STEM Fellowship. In recognition of his outstanding published contributions to the science of geochemical kinetics and thermodynamics, Ben was recently awarded the 2022 Mineralogical Society of America Award.

Haibo Zou

Auburn University, USA

01/2020 - 12/2022

Haibo Zou is Professor of Geology in the Department of Geosciences at Auburn University, USA. His research areas include isotope geochemistry, igneous petrology, volcanology, and theoretical geochemistry. He is the author of the book Quantitative Geochemistry. He is an Associate Editor for Geological Society of America Bulletin and a Fellow of the Geological Society of America.

Christopher Junium

Syracuse University, USA

OGD Chair
01/2022 - 12/2023

Christopher Junium is Associate Professor of Earth Sciences at Syracuse University (USA). He is a sedimentary and organic geochemist focusing on the redox evolution of the Earth, specializing in biogeochemical cycling. He uses a range of geochemical tools, but focuses on the stable isotopes of nitrogen, carbon and sulfur, with a particular interest in compound-specific, stable isotope techniques. His research interests span the spectrum of geologic time from the Archean to modern systems. Current, he is working principally on the Cretaceous and Neoproterozoic with and eye toward understanding future global change.

Craig Lundstrom

University of Illinois Urbana Champaign

Goldschmidt Officer
01/2023 - 12/2026

Craig Lundstrom is a Professor in the School of Earth, Society and the Environment at the University of Illinois at Urbana Champaign. He is an igneous petrologist/geochemist who combines experimental petrology with isotope geochemistry to investigate a range of earth processes from mantle melting to magma differentiation to contaminant remediation using U isotopes. Current projects involve characterizing PGE transport mechanisms and understanding the volcanic-plutonic connections of silicic magmatism. He received the F.W. Clarke award from the Society in 2001. He is currently Department Head of the Department of Earth Science and Environmental Change and Co-Chief editor of Frontiers in Earth Science-Geochemistry.

Jeff Catalano

Washington University in St. Louis, USA

GCA Executive Editor

Jeff Catalano is a faculty member in the Department of Earth and Planetary Sciences at Washington University, where he is currently a professor of aqueous geochemistry and mineralogy. His current research program now spans the areas of environmental biogeochemistry, planetary geochemistry, and geobiology. Active projects in Jeff's group investigate: (1) trace metal fate during iron and manganese oxide mineral transformations, (2) the properties of interfacial water near mineral surfaces, (3) microbial utilization of Fe(II) in trioctahedral clay minerals as electron donors on the early Earth, (4) oxidation of iron on Mars by oxychlorine species, (5) redox-driven recrystallization of lead and uranium oxide minerals, (6) clay formation and alteration on Mars, and (7) trace metal limitations on methanogenesis, denitrification, and Hg methylation in freshwater aquatic systems.

Marly Babinski

University of São Paulo, Brazil

01/2022 - 12/2024

Marly Babinski is an associate professor at the Department of Mineralogy and Geotectonics, Institute of Geosciences, University of São Paulo, Brazil. She uses traditional and non-traditional isotopes to determine the age of the rocks and unravel seawater changes along the Earth's evolution to track major changes in the atmosphere, hydrosphere, and lithosphere, and impacts on life evolution. More recently, she has explored the atmosphere pollution on megacities using isotope geochemistry, mainly applying Pb, Zn, and Cu isotopes. She is on the scientific committee of the Brazilian Geochemistry Society and member of the Brazilian Geology Society.

Alexis Templeton

University of Colorado at Boulder, USA

01/2022 - 12/2024

Professor Alexis Templeton is a geochemist and geomicrobiologist at the University of Colorado at Boulder (USA). She utilizes spectroscopic, isotopic and molecular tools to characterize the chemical and biological states of systems undergoing active water/rock interactions. Her research focuses on defining the role of microorganisms in transforming the aqueous and mineral chemistry of rock-hosted ecosystems. She has previously been a member of the Geochemical Society Patterson Award and Endowed Biogeochemistry Lecture Committees.

Carme Huguet

IE University, Spain

01/2023 - 12/2025

Carme Huguet is an Assistant Professor of Environmental Science at IE University in Spain. Her overall aim is to understand climate change and other anthropogenic impacts and how they will affect life on Earth, which can only be tackled in a multidisciplinary way. She uses biomarkers and inorganic geochemistry tools to trace the fate of organic matter, past climate changes and their impact on biogeochemical cycles, to understand the links between terrestrial and marine biogeochemical processes, as well as doing multimatrix studies to understand contamination. She served on the executive committee of the Organic Geochemistry Division of the Geochemical Society between 2016 and 2019.

Lucien Nana Yobo

Texas A&M University, USA

01/2023 - 12/2024

Lucien Nana Yobo is low temperature isotope geochemist who uses non-traditional isotopes to investigates the effects of past changes in Earth’s history from marine sedimentary rocks. Combined with these proxies, he also uses numerical box models to understand how these global biogeochemical changes occurred. He holds a PhD from University of Houston and is currently at Texas A&M university as an Assistant Professor.

Natasha Barrett

University of British Columbia, Canada

01/2024 - 12/2025

Natasha Barrett is a postdoctoral researcher within the Mineral Deposit Research Unit (MDRU) at the University of British Columbia, Canada. She received her PhD from the University of Alberta in 2021. Her research applies PGE geochemistry, radiogenic isotopes, and thermodynamic modeling to topics within igneous and mantle petrology, planetary science, and critical metals research.

Sung Hi Choi

Chungnam National University, South Korea

01/2024 - 12/2026

Sung Hi Choi is a Professor in the Department of Geological Sciences at Chungnam National University, South Korea. Her research interests are focused on igneous petrogenesis, evolution of the Earth lithospheric mantle, ophiolite genesis and evolution of the oceanic lithosphere, mantle dynamics, and geological record of meteorite impacts based on integrated use of mineralogy, petrography and geochemistry including Sr-Nd-Pb-Hf-Os-Mg-Zn-Li-O isotopes. She has served as a member of the F.W. Clarke Award Committee of the Geochemical Society between 2008 and 2011.

Anthony (Tony) Kemp

University of Western Australia

01/2024 - 12/2026

Anthony (Tony) Kemp is an Associate Professor in geology and geochemistry based at the University of Western Australia. His research is focused on understanding the generation of the continental crust and the evolution of Earth's crust-mantle system. A recent emphasis has been on developing geochemical approaches for tracking the sources of metals and the processes by which these are transported and enriched in the lithosphere - particularly the 'Critical Minerals' and related commodities. Tony is a Fellow of the Geological Society of America since 2018, and an Associate Editor for Precambrian Research since 2019. He has enjoyed serving as a Theme Chair for the Goldschmidt conference on 5 occasions.

Marian Selorm Sapah

University of Ghana

01/2024 - 12/2026

Marian Selorm Sapah is Lecturer and Scientific Researcher at the Department of Earth Science, University of Ghana. She holds a a PhD in Earth Chemistry from the Australia National University (2016), as well as postgraduate certificates in science communication and chemical safety. Her research interests are focused on the areas of geochemistry, environmental geochemistry, exploration geochemistry, cosmochemistry and planetary and space science, and geoscience education. Dr. Sapah is a founding member of the Africa Initiative for Planetary and Space Science (AFIPS), and a member/mentor of the Space Generation Advisory Council (SGAC). She currently serves on the GS Capacity-Building Grant Committee, and on the Editorial committee of the Ghana Institution of Geoscientists. She is an advocate for the environment and sustainability as well as for women and girls in STEM.