Dawn Y. Sumner is a Professor in the Department of Earth and Planetary Sciences at the University of California, Davis. Her research focuses on geobiology, paleobiology, and planetary science, particularly reconstructing ancient environments on Earth and Mars. She is a key member of NASA’s Mars Science Laboratory team, contributing to the Curiosity rover’s exploration of Gale Crater on Mars. Sumner’s work integrates field studies, lab analyses, and interdisciplinary approaches to understand microbial life’s role in shaping Earth’s history and potential habitability on other planets. Education: Ph.D., Massachusetts Institute of Technology (1995). Research interests include microbialite formation, Antarctic lake ecosystems, and the evolution of oxygenic photosynthesis. She investigates modern microbial communities in ice-covered lakes (e.g., Lake Vanda) to understand ancient environments and their biosignatures. Her scientific awards include the California Academy of Sciences Academy Fellow (2020) and Geological Society of America Fellow (2014). Sumner emphasizes inclusive education and supports student success in STEM through feminist research practices. Labs/Teams: W.M. Keck Center for Active Visualization in the Earth Sciences (KeckCAVES), Antarctic Lake Research Group.
Frank Corsetti is a Professor of Earth Sciences at the University of Southern California (USC), leading the Corsetti Lab. His research focuses on the co-evolution of Earth and its biosphere, particularly during extreme events like the 'Snowball Earth' glaciation and mass extinctions. He holds a Ph.D. in Geological Sciences from UC Santa Barbara (1998) and a B.S. in Geology from UC Davis (1989). Research Interests: Corsetti studies geobiological processes such as stromatolite formation, microbial carbonate systems, and the environmental impacts of mass extinctions. His lab investigates biosignatures, diagenetic processes, and astrobiological applications. Current projects include the end-Triassic mass extinction and microbial interactions in extreme environments. Advising & Grants: He mentors a team of PhD students (including Reena Joubert, Alison Cribb, and others) and has secured funding from NASA for projects like stromatolite carbonate formation studies. His work bridges paleontology, geochemistry, and microbiology, contributing to understanding Earth’s long-term climate and life history. Labs/Teams: The Corsetti Lab at USC explores stromatolites, microbial mats, and ancient Earth systems. Collaborations involve institutions like JPL and international universities.
Marek Locmelis is an Associate Professor at the Department of Earth and Planetary Sciences and the Bureau of Economic Geology within the Jackson School of Geosciences at the University of Texas at Austin. His research focuses on magmatic, hydrothermal, and sedimentary ore deposits, with an emphasis on critical mineral supply strategies, including recycling of mine waste and STEM education in economic geology. He holds a PhD from Macquarie University and prior roles at Missouri University of Science and Technology and NASA Goddard Space Flight Center. Education PhD in Earth and Planetary Sciences, Macquarie University (Australia) Diploma (MSc equivalent) and Pre-Diploma (BSc equivalent) in Geosciences, University of Hannover (Germany) Research Interests His work spans geochemistry, petrology, and planetary evolution, with a focus on critical minerals (e.g., lithium, rare earth elements) and novel exploration techniques. He investigates pathways to enhance domestic critical mineral recovery through reprocessing mine waste and optimizing production streams. His planetary research includes atmospheric toxicity studies and habitability potential of extraterrestrial environments. Awards Fellow of the Society of Economic Geology (SEG) SEG Graduate Student Fellowship Program Chair NSF CAREER Award (2020) NASA Postdoctoral Fellowship (2014) Advising & Grants Locmelis has advised postdocs and students through workshops on critical mineral resilience. His NSF CAREER project explores metal transport via magmatic-hydrothermal fluids. He co-organized conferences on critical minerals and led the Roadmaps Into the Geosciences (RIGS) program to support student career development. Labs & Teams He collaborates with the Bureau of Economic Geology and interdisciplinary teams in critical mineral research, combining fieldwork, geochemical analysis, and policy advocacy.
Jonathan Snow is a Professor and Chair of the Department of Geology and Geophysics at Louisiana State University (LSU), College of Science. Previously, he held faculty positions at the University of Houston, including roles as Assistant Professor (2005–2008), Associate Professor (2008–2014), and Professor (2014–2019), and served as President of the Faculty Senate (2016). His academic journey includes a Bachelor’s in Geology from Indiana University (1983), Master’s from the University of Rochester (1986), PhD in Oceanography from MIT/WHOI (1993), and a Habilitation in Mineralogy from Universitat Mainz, Germany. Research interests focus on the Earth’s lithosphere formation, mantle melting processes, and oceanic crustal accretion. Key areas include mid-ocean ridge basalt petrogenesis, mantle noble metal geochemistry (Os, Re), and tectonics of fracture zones. Notable contributions include studies on the Arctic Ocean’s Gakkel and Lena Troughs, Hess Deep, and Shikoku Basin oceanic core complexes. Professional recognitions include NSF Graduate Fellowship (USA), Alexander von Humboldt Foundation Fellowship (Germany), DFG Heisenberg Program (Germany), and Japan Society for the Promotion of Science Fellowships. His work integrates field expeditions (e.g., ARKTIS cruises), laboratory geochemistry, and computational models to advance understanding of mantle dynamics and crustal evolution.
Britney Schmidt is Associate Professor in Earth and Atmospheric Sciences and Astronomy at Cornell University, where she leads the Planetary Habitability and Technology Lab. She develops robotic tools like the Icefin underwater vehicle to study Earth's ice shelves and glaciers, providing insights into climate change and analogs for ocean worlds like Europa. Her research bridges glaciology, planetary science, and astrobiology. Research focuses on ocean world habitability, ice-ocean interactions, and Antarctic climate systems. Fieldwork includes extensive campaigns in Antarctica and the Arctic using robotic explorers. Recent publications explore Europa's habitability, Thwaites Glacier dynamics, microbial communities in hypersaline environments, and planetary analog studies. Technical developments include novel instrumentation for under-ice exploration. Awarded the 2024 Blavatnik National Award for groundbreaking research. Leads multiple international collaborations including NASA's Europa Clipper mission and Thwaites Glacier projects.
Amanda Stockton is an Associate Professor at the School of Chemistry and Biochemistry, Georgia Institute of Technology. Her research focuses on the development of analytical instruments for planetary exploration and the study of terrestrial analog environments to understand conditions suitable for life emergence. She leads the Stockton Lab, which specializes in microfluidics, biosignature detection, and astrobiological applications. Education: B.S. in Chemistry and Aerospace Engineering, Massachusetts Institute of Technology (2004) M.A. in Chemistry, Brown University (2006) Ph.D. in Chemistry, University of California Berkeley (2010) Stockton’s work bridges planetary science and analytical chemistry, targeting extraterrestrial life detection through technologies like the FELDSPAR and IMPOA projects. Her research explores sea spray aerosols, icy moon penetrators, and microfluidic systems for environmental and medical diagnostics. Research Highlights: Instrument development for Europa and Enceladus missions Microfluidic tools for origin-of-life experiments Terrestrial applications in environmental monitoring and point-of-care diagnostics Collaborative studies in Icelandic and Antarctic analog environments The Stockton Lab’s publications reveal expertise in biosignature preservation, Raman spectroscopy, and planetary habitability, with a focus on Mars and ocean worlds. Her team has pioneered low-cost microfluidic platforms like GLUE and modular CE-LIF systems.
John F. Rudge is a Professor of Geodynamics at the Bullard Laboratories, Department of Earth Sciences, University of Cambridge , and a Fellow and Dean of Trinity College. His research focuses on the dynamics of Earth's interior, including mantle convection, magma transport, and the geochemical evolution of the planet. He employs continuum mechanics, numerical analysis, and statistical methods to address questions about melt dynamics, mantle heterogeneity, and the surface expressions of geophysical processes. Education includes a mathematics undergraduate degree and a PhD in Earth Sciences and Applied Mathematics from Cambridge. He held postdoctoral positions at institutions like ETH Zürich, Yale, and Columbia University before joining Cambridge as a University Lecturer in 2010 and being promoted to Professor in 2022. Key research areas include: Transport of melts and volatiles in the mantle Evolution of Earth's interior from accretion to present Dynamic topography and inner core dynamics Publications span over two decades, with recent works addressing melt rheology, mantle mineralogy, and interdisciplinary applications in oncology. He has supervised numerous PhD students and postdocs, including David Rees Jones, Isarapong Eksinchol, and Laura Alisic. Awards include the Philip Leverhulme Prize and Geological Society President’s Award. Teaching responsibilities include courses on geophysics, magma dynamics, and supervisions in Natural Sciences at Trinity College. Research tools include finite element modeling and collaborations with computational scientists.
Moira Jardine is Professor of Astronomy at the University of St Andrews School of Physics and Astronomy, where she became the first female physics professor in 2010. Education: Ph.D. Applied Mathematics, University of St Andrews B.Sc. Astronomy and Astrophysics, University of St Andrews Research investigates stellar magnetic activity to understand planetary habitability and solar system evolution. Uses magnetic field measurements to model stellar winds, coronal X-ray emissions, and their impact on planetary atmospheres. Work supports exoplanet detection initiatives including JWST, GAIA, and WFIRST. Publications focus on stellar coronae, magnetic confinement processes, star-planet interactions, and coronal rain dynamics. Current projects model magnetic interactions in systems like AB Dor and HD 189733. Collaborates with international consortia including MagIcS and Bcool for stellar magnetic field surveys. Awards: Fellow of the Royal Society of Edinburgh and Suffrage Science Award (2019).
Sally Gibson is a researcher at the Department of Earth Sciences, University of Cambridge, specializing in mantle geodynamics and volatile cycling processes. Her work integrates field observations, geochemical analysis, and numerical modeling to investigate how deep Earth processes influence surface environments over 3.5 billion years of planetary evolution. Research focuses on volatile cycling (CO₂, H₂O, F, Cl, S) in mantle systems Key projects include mantle plume-ridge interactions with collaborators in the US and Ecuador Operates a LA-ICP-MS laboratory for high-resolution geochemical analyses Supervises PhD students in petrology, geochemistry, and numerical modeling Her research addresses fundamental questions about Earth's habitability through studies of mantle-derived volatiles critical for climate regulation and energy transition metal deposits. Fieldwork in remote regions like Antarctica, Lesotho, and the Galápagos Islands provides empirical data for her interdisciplinary approach. Recent publications highlight her expertise in mantle xenolith analysis, plume dynamics, and volatile quantification in large igneous provinces. Her group's work combines 3He/4He isotopic analysis with seismic tomography to constrain lithospheric evolution and mineral deposit formation. Students under her supervision develop expertise in petrology and geochemical modeling while engaging with environmental and societal impacts of geological research. She actively promotes scientific outreach and community engagement, fostering connections between academia and broader society.
Paul Withers is a Professor and Chair of the Department of Astronomy at Boston University. He leads research on planetary atmospheres and ionospheres, with a focus on Mars and Venus, and serves as Principal Investigator on multiple NASA-funded research projects. Education: B.A. in Physics, 1998, Queens' College, Cambridge University M.S. in Physics, 1998, Queens' College, Cambridge University M.A., 2001, Queens' College, Cambridge University Ph.D. in Planetary Science, 2003, University of Arizona Professor Withers' research focuses on the upper atmospheres and ionospheres of terrestrial planets, particularly Mars and Venus. His work involves analyzing spacecraft data and developing theoretical models to understand how solar flux, neutral atmospheres, magnetic fields, and ionospheres interact under unique planetary conditions. He has made significant contributions to understanding the response of the Martian ionosphere to solar flares, the structure of the Venus ionosphere, and meteoric plasma layers in planetary ionospheres. His research often involves multi-instrument campaigns and coordinated observations across different spacecraft missions including Mars Express, MAVEN, and Venus Express. Analysis of Professor Withers' recent publications reveals a strong emphasis on Martian ionospheric dynamics, particularly its response to solar activity and its variability under different conditions. His work frequently combines data from multiple missions to create comprehensive models of planetary upper atmospheres. He has developed important methods for analyzing radio occultation data and reconstructing atmospheric properties from entry, descent, and landing measurements. Major Funded Projects: "Characterizing the topside bulge in the ionosphere of Mars" (NASA Mars Data Analysis Program, 2014, $144K) "Integration of MAVEN neutral and plasma observations" (NASA MAVEN Participating Scientist Program, 2013, $284K) "Radio occultation studies at Mars" (NASA Early Career Fellowship Program, 2013, $99K) "EDL reconstruction for MSL" (NASA, JPL contract, 2012, $199K) "Meteoric plasma layers on Venus and Mars" (NASA Planetary Atmospheres Program, 2012, $232K) Professor Withers has been actively involved in mentoring students and collaborating with international researchers. He serves as a key member of the Mars Upper Atmosphere Network (MUAN) and has contributed to community white papers for planetary science decadal surveys. His work supports future Mars landers through atmospheric modeling and surface pressure prediction, with direct applications to mission planning and execution. He has presented his research at numerous international conferences including the American Geophysical Union meetings, Division for Planetary Sciences meetings, and European Planetary Science Congress. His work has important implications for understanding planetary climate evolution, space weather effects on technological systems, and the search for habitable environments beyond Earth.
Nathan Yee is a Professor at Rutgers University, where he has held academic appointments since 2004. He earned his B.Sc. from McGill University (1997) and Ph.D. from the University of Notre Dame (2001), followed by postdoctoral research at the University of Leeds (2001-2003). His career progression includes positions as Assistant Professor (2004-2010), Associate Professor (2010-2016), and full Professor since 2016. Research Focus Yee's research integrates geochemistry and geomicrobiology to study: mineral transformation processes, interactions between metal ions and mineral surfaces, microbial influences on inorganic element cycling, and contaminant behavior in environmental systems. His work combines experimental approaches with modeling to investigate biogeochemical processes relevant to early Earth evolution, microbial metabolism, and environmental remediation. Key themes include biologically catalyzed redox reactions, metal isotope fractionation, and geomicrobial controls on contaminant transport. Publication Trends Yee's recent publications (2021-2025) demonstrate strong emphasis on microbial-metal interactions, isotope geochemistry, and planetary science. Dominant themes include: isotopic tracing of metal cycling (Ni, Cu, Hg), microbial redox transformations of contaminants (Se, Te, U), photochemical processes in early Earth systems, and astrobiological investigations of planetary bodies like Mars and Enceladus. Methodologies frequently combine laboratory experiments with geochemical modeling.
Christopher E. Carr is an Assistant Professor at the Daniel Guggenheim School of Aerospace Engineering in the College of Engineering at Georgia Institute of Technology, with a secondary appointment in the School of Earth and Atmospheric Sciences in the College of Sciences. He runs the Planetary eXploration Lab (PXL) and is a member of the Space Systems Design Lab (SSDL). His work focuses on searching for and expanding the presence of life beyond Earth while enabling a sustainable human future in space environments. Dr. Carr's research interests include: Astrobiology and space biology Development of life detection instruments Microbial habitability in extreme environments Molecular evolution and biosignature detection Miniaturization and integration of scientific instrumentation Interplanetary mission design Micro and nano device engineering for space applications His recent publications demonstrate a strong focus on life detection technologies, planetary exploration, and space biology. The articles span topics from developing biosignature detection methods to analyzing microbial survival in extreme environments, with particular attention to Mars, Venus, and Europa exploration. Scientific awards and recognitions include: Scott M. Johnson Fellow in the U.S. Japan Leadership Program Dr. Carr's laboratory affiliations include: Planetary eXploration Lab (PXL) Space Systems Design Lab (SSDL) He is affiliated with the Center for Space Technology and Research at Georgia Tech.
Oliver Shorttle is a Professor of Natural Philosophy at the University of Cambridge, holding a joint position between the Department of Earth Sciences and the Institute of Astronomy. His research focuses on planetary evolution, extrasolar planets, and geochemical cycling, integrating geological and astronomical perspectives. He explores topics such as exoplanet habitability, volcanic processes on distant worlds, and the role of volatiles in planetary systems. Education and Career: Shorttle earned his undergraduate degree in Natural Sciences from Cambridge, followed by a PhD in Earth Sciences. He held postdoctoral positions at Caltech and as a JSPS fellow in Japan before returning to Cambridge as faculty. Research Themes: His work spans planetary chemistry, magma dynamics, and the interplay between planetary interiors and atmospheres. Key projects include analyzing protoplanetary disks, simulating volcanic activity on exoplanets, and investigating phosphorus’s role in prebiotic chemistry. Collaborations: Leads the Planetary Chemistry group, collaborating across disciplines at Cambridge and internationally. Current projects involve modeling exoplanet atmospheres, studying mantle melting processes, and developing geochemical methods to probe planetary formation. Labs/Teams: Directs the Planetary Chemistry research group, fostering interdisciplinary research between geology and astronomy. Active in fieldwork, lab analysis, and computational modeling.
Daniel E. Horton is an Associate Professor in the Department of Earth, Environmental & Planetary Sciences at Northwestern University's Weinberg College of Arts and Sciences, where he leads the Climate Change Research Group (CCRG). His interdisciplinary work bridges atmospheric science, environmental health, and geoscience through advanced modeling techniques. Education: Ph.D. in Geological Sciences from University of Michigan B.S. in Atmospheric Science from Texas A&M University B.S. in Physics from Tulane University Horton's research spans extreme weather events, near-term societal impacts of climate change, geologic climate evolution, and exoplanet habitability. His group integrates atmospheric, biospheric, cryospheric, hydrospheric, and lithospheric processes using numerical models, environmental observations, and machine learning. Recent work emphasizes environmental justice through neighborhood-scale air quality analysis and transportation electrification impacts. Analysis of his 10 most recent publications (2022-2023) reveals three dominant research thrusts: (1) urban air quality modeling with WRF-CMAQ systems focusing on racial disparities in pollution exposure, (2) transportation electrification impacts on public health and equity, particularly for heavy-duty vehicles, and (3) hydrological extremes including precipitation variability and post-wildfire debris flows. Machine learning applications are increasingly prominent across all research areas. Scientific Awards: NSF CAREER Award (2023) for research on air quality, public health, and equity implications of transportation electrification Horton secured a $600,000 NSF grant supporting both research and educational initiatives, including after-school sustainability programming for Chicago middle schools. His Climate Change Research Group actively recruits graduate students for projects at the intersection of climate science and societal impacts, with strong collaborations across environmental health, urban planning, and engineering disciplines. Current work emphasizes equity-centered climate solutions through fine-scale spatial analysis of pollution and health outcomes.
Prof. Dr. Thomas Koop is a Professor of Physical Chemistry at Bielefeld University, where he leads the Atmospheric and Physical Chemistry research group within the Faculty of Chemistry. He has served as Dean of the Faculty of Chemistry from 2022-2024 and currently serves as Vice Dean (2024-2025). His research focuses on phase transition phenomena, particularly ice nucleation and growth, supercooled liquids, and the formation of amorphous glassy materials. His work has significant implications for understanding atmospheric aerosols, cloud formation mechanisms, and cryobiological processes. The group employs experimental techniques such as differential scanning calorimetry and optical cryo-microscopy, developing specialized equipment for studying phase transitions at micro and nanoscales. Prof. Koop's publication record shows a consistent focus on atmospheric chemistry with increasing exploration of biological ice nucleators, planetary atmospheres (including Venus), and the physical properties of atmospheric aerosols. His most cited work includes 'Water activity as the determinant for homogeneous ice nucleation in aqueous solutions' (Nature, 2000), which established fundamental principles in the field. 2024-2025: Vice Dean of Faculty of Chemistry 2022-2024: Dean of Faculty of Chemistry 2001-2022: Co-founder and Executive Editor of Atmospheric Chemistry and Physics Since 2004: Coordinator of Graduate School of Chemistry and Biochemistry Prof. Koop has mentored numerous students and postdoctoral researchers, contributing significantly to the development of the next generation of atmospheric scientists. His research has been supported by various funding agencies and has led to collaborations with institutions worldwide, from MIT and UC Berkeley to research centers in Switzerland and Israel.
