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.
Christian Boldsen Knudsen serves as a Visiting Assistant Professor at the University of Copenhagen, affiliated with Copenhagen University Library. His institutional email (sund.ku.dk) indicates association with the Faculty of Health Sciences despite his geological research focus, suggesting a specialized academic support role. His research centers on Precambrian geology with emphasis on gold-hosting environments in southern West Greenland. Key interests include supracrustal rock analysis, mineral deposit formation, and Archean geological processes, as evidenced by his fieldwork on Storø island. This work bridges economic geology and regional tectonic studies. Knudsen's publication record demonstrates expertise in Greenland's Precambrian basement complexes, particularly lithological controls on gold mineralization. His research integrates field geology with ore deposit modeling within ancient cratonic settings. No scientific awards or honors were documented in available sources. Information regarding student supervision, research grants, or collaborative teams is not publicly accessible. His library affiliation implies potential contributions to academic information services rather than conventional laboratory-based research.
Dr. John Warren Huntley is an Associate Professor in the Department of Geological Sciences at the University of Missouri. His research examines the fossil record of biotic interactions including parasitism, predation, and competition, with additional focus on conservation paleobiology and morphological disparity evolution. Dr. Huntley investigates host-parasite dynamics in marine bivalves, human impacts on mollusk populations, and Phanerozoic predation patterns. His work integrates stratigraphic paleobiology with ecological and evolutionary analyses to reconstruct historical ecosystem dynamics. His recent publications demonstrate expertise in paleoparasitology, taphonomy, and conservation paleobiology, applying novel analytical methods to questions about parasite-host coevolution, preservation biases, and extinction events. This research provides critical insights into long-term ecological patterns and biological responses to environmental change. Dr. Huntley has received significant recognition including an NSF CAREER Award and Humboldt Research Fellowship, and he co-edited the comprehensive volumes 'The Evolution and Fossil Record of Parasitism'.
Freya Morris is a Visiting Assistant Professor in the Department of Geosciences at Hamilton College, appointed in 2025. Previously, she served as a Visiting Assistant Professor at Whitman College during the 2023-2024 academic year following her Ph.D. defense in summer 2023, and took a gap year for solo global travel. Her research integrates field-based sedimentology and structural geology to reconstruct paleoenvironments and basin evolution, focusing on climate-tectonics interactions and life's evolution through Earth history. Dr. Morris holds a Ph.D. and M.S. from the California Institute of Technology and a B.S. from Lafayette College. She employs geochemical methods and glacial isostatic adjustment modeling to support lithostratigraphic correlations and sea-level history reconstructions during deglaciation events. Her recent publications examine Ediacaran cap carbonates in Namibia and Marinoan Snowball Earth deglaciation dynamics, advancing understanding of ancient climate systems and extreme climate change records. These works demonstrate interdisciplinary approaches combining field geology with quantitative modeling. Scientific Awards: National Science Foundation Graduate Research Fellowship (2017-2022) Supported by the NSF Graduate Research Fellowship during doctoral studies, Dr. Morris now develops her research program at Hamilton College while mentoring undergraduate students in geoscience through field-based courses like Principles of Geoscience: Our Interconnected Earth.
California Institute of Technology (Caltech)United States
Victoria J. Orphan is the James Irvine Professor of Environmental Science and Geobiology at Caltech, where she directs the Center for Environmental Microbial Interactions. Her research investigates microbial processes in anaerobic ecosystems including deep-sea methane seeps, hydrothermal vents, and coastal sediments using interdisciplinary approaches combining molecular biology, stable isotope techniques, and geochemistry. Her laboratory focuses on: Microbial partnerships in methane cycling Ecophysiology of uncultured archaea and bacteria Viral ecology in marine environments Biogeochemical impacts of microbial communities Blue carbon sequestration in seagrass ecosystems Professor Orphan has developed innovative methods including BONCAT-FISH and nanoSIMS for studying microbial activity in environmental samples. Her research group maintains active field programs in Monterey Canyon and hydrothermal vent systems, and develops high-pressure incubation systems for studying deep-sea microbes. She teaches courses on microbial ecology and evolution, and mentors graduate students through the Geobiology and Environmental Science programs.
Professor John Parnell is the Chair in Geology & Petroleum Geology at the University of Aberdeen , affiliated with the School of Geosciences and Department of Geology and Petroleum Geology . His research focuses on geochemistry, paleoenvironmental reconstruction, trace element cycling, and sedimentary systems , with significant contributions to studies of the Rhynie Chert, Bowland Shale, and Lewisian Complex. Research Interests Professor Parnell's work spans: Geochemical analysis of Paleoproterozoic and Neoproterozoic systems Trace metal mobility in sedimentary and metamorphic environments Organic carbon burial and its tectonic implications Planetary analog studies for Mars exploration Shale resource characterization and environmental impact assessment Recent Publications His recent articles highlight investigations into: Graphitization processes in Scottish Highlands marbles Sulphur isotope records in Precambrian successions Trace element dynamics in the Bowland Shale Biogeochemical cycling at the Precambrian-Cambrian boundary Labs & Collaborations He leads research in the Geofluids Group and collaborates with the Planetary Sciences Department on Mars analog studies.
John Stolz is Professor of Environmental Microbiology and Director of Environmental and Energy Engineering at Duquesne University's School of Science and Engineering. His NASA-trained research examines microbial metal reduction, modern stromatolite ecosystems, and shale gas extraction impacts. His lab investigates arsenic/selenium biotransformation pathways, microbial communities in Shark Bay stromatolites, and environmental impacts of unconventional energy development. Recognized with multiple excellence awards including the Nobel J. Dick Endowed Chair. Over 150 publications explore microbial respiration mechanisms, biogeochemical cycling, and environmental bioremediation. Current grants support water quality testing near shale gas operations.
David Zakharov is an Assistant Professor in the Department of Geological and Environmental Sciences at Western Michigan University (WMU), specializing in petrology, stable isotope geochemistry, and water-rock interaction. His research focuses on the geochemical co-evolution of Earth’s crust and hydrosphere, particularly through igneous and metamorphic processes, with projects targeting Archean subaerial magmatism, Precambrian chert geochemistry, and fluid circulation in oceanic crust. At WMU, Zakharov established a stable isotope lab in January 2023, equipped with advanced instrumentation including a Thermo EA Isolink, Renishaw Raman microscope, and CO2 laser. His lab conducts high-precision triple O-isotope (δ¹⁸O, δD, Δ¹⁷O) analyses, geochronology, and SIMS measurements, collaborating on studies such as the 2025 Chemical Geology paper on exceptionally low δ¹⁸O zircon values and the 2024 Chemical Geology paper on experimental olivine-water reactions. He has presented at major conferences like Goldschmidt 2024 and AGU Fall Meeting 2022. Zakharov’s research integrates fieldwork, laboratory experiments, and analytical techniques to reconstruct ancient environmental conditions, such as seawater chemistry and hydrological cycles. His lab has hosted distinguished lecturers and workshops, including a 2024 SIMS Workshop at UCLA. Current projects involve PhD students Israr Hussain, Afrid Abdaly Sheik, and Zack Stevens, with recent publications highlighting reactive fluid dynamics, silicification processes, and isotopic constraints on early Earth environments.
Professor Balz Kamber is a renowned academic in the Faculty of Science at Queensland University of Technology (QUT), leading research in elemental and isotopic geochemistry paired with petrology. He holds the position of Professor in Petrology within the School of Earth & Atmospheric Sciences . His work focuses on Earth's differentiation into chemical spheres, with applications in climate science, planetary evolution, and resource exploration. Kamber has held prestigious roles, including Chair in Geology and Mineralogy at Trinity College Dublin and a Tier 1 Canada Research Chair at Laurentian University. Education: PhD (University of Bern, Switzerland), MSc (University of Bern) Professional Memberships: Royal Irish Academy (since 2018), European Association of Geochemistry Research interests include thermodynamic modeling of igneous processes, automated mineralogy, and the interplay between climate and geological history. His current projects address mantle dynamics, crustal evolution, and planetary weathering. Teaching focuses on Earth Materials, Petrology, and Climate Science at QUT. Notable achievements include editorship of Chemical Geology (since 2018) and contributions to understanding the Great Oxidation Event and Deccan Traps volcanism. His work bridges fundamental geochemistry with real-world challenges, such as climate change mitigation through enhanced rock weathering. Grants/Funding: Led the 23M Euro Irish Centre for Research in Applied Geosciences (2011–2018) Labs/Teams: Heads a dynamic research group advancing LA-ICP-MS methodologies and geochemical imaging
Professor Jochen J. Brocks is a faculty member at the Research School of Earth Sciences (RSES) at the Australian National University (ANU). He holds a PhD in Organic Geochemistry from the University of Sydney (2002) and a Diplom Chemie (~MSc Chemistry) from the University of Freiburg, Germany. His research focuses on Paleobiogeochemistry, using molecular fossils (biomarkers) to study ancient ecosystems and evolutionary processes, including the origin of life and the emergence of complex organisms. He is particularly interested in the conditions that led to the appearance of multicellular life and the role of primary producers in mass extinctions, as well as the potential existence of a 'lost world' of complex life in Earth's early oceans. He previously served as a Junior Fellow of the Harvard Society of Fellows (2001–2004). His research group, Brocks Geobiology, explores topics such as the molecular signatures of early organisms, the geochemical record of ancient oceans, and the preservation mechanisms of organic matter in sedimentary deposits. Brocks collaborates on projects like the biogeochemistry of salt lakes and the analysis of Precambrian rocks to trace microbial diversity. Education: PhD (Organic Geochemistry, University of Sydney, 2002), MSc (Chemistry, University of Freiburg, Germany). His research interests span the intersection of organic geochemistry and paleontology, with a focus on applying biomarker analysis to understand Earth's history. Recent work includes studies on the environmental aftermath of Snowball Earth glaciations, the origins of Dickinsonia as an early animal, and the preservation of ancient biomolecules in extreme conditions like evaporites and concretions. Brocks has contributed to significant debates in the field, such as reinterpreting steroid biomarkers to challenge early animal evolution timelines and identifying novel preservation mechanisms for plant fossils. His work often integrates experimental geochemistry with field studies, particularly in northern Australia and Mauritania, to explore the co-evolution of life and Earth's systems. Awards: Junior Fellow of the Harvard Society of Fellows (2001–2004). He supervises multiple research projects, including those investigating the Velkerri Formation and the McArthur River deposit. Brocks also collaborates on initiatives like the Sedimentary Geochemistry and Paleoenvironments Project, which synthesizes global data to inform Earth history. His lab work emphasizes the development of analytical techniques to distinguish syngenetic biomarkers from contaminants in ancient samples.
Pierre Bouilhol is a Senior Lecturer (Maître de conférences) at Université de Lorraine, Nancy, France, affiliated with the CRPG-CNRS research unit. His expertise spans petrology, geochemistry, and tectonic processes, with a focus on subduction zones, magmatic systems, and isotope geochemistry. He holds a Doctorat en Sciences (PhD) from ETH Zurich (2005-2008) and a Master in Earth Sciences from Montpellier (2002-2004). His research investigates subduction dynamics, including volatile cycling, serpentinite evolution, and magmatism linked to continental collisions. Notable contributions include studies on Archaean subduction-like magmatism and redox heterogeneities in subducting slabs. Teaching includes courses on petrology, field geology, and magmatic systems at undergraduate and graduate levels. He has held prior positions at MIT (2009-2011), Durham University (2012-2016), and the LMV in Clermont-Ferrand (2016-2017). Recent publications (2021–2025) address topics such as early Earth magmatism, slab devolatilization, and carbonate transfer mechanisms in subduction zones. Collaborations span institutions globally, focusing on fieldwork and experimental petrology. His lab work at CRPG involves advanced geochemical and isotopic analyses, contributing to understanding continental crust formation and mantle processes.
Max Planck Institute for Marine MicrobiologyGermany
Dr. Dirk de Beer is the leader of the Microsensor Group at the Max Planck Institute for Marine Microbiology in Bremen, Germany. His research focuses on the structure and function of marine sediments, investigating how microbial conversions (e.g., photosynthesis, chemoautotrophy, anaerobic nitrogen/carbon/sulfur cycling) are controlled by transport processes and how microbial species distributions are regulated in hot spots like seeps, microbial mats, and biofilms. His group employs advanced techniques such as microsensors and planar optodes to study high-resolution geochemical dynamics in marine systems. Key research areas include: Biogeochemical cycling of oxygen, sulfur, and carbon Microbial community interactions in sediments and mats Environmental regulation of microbial processes Reactive oxygen species in marine environments Coral bleaching and ocean acidification Recent publications highlight collaborations on arsenic cycling, hydrogen peroxide dynamics, and microbial respiration in extreme environments. Dr. de Beer's work is central to understanding how microbial processes influence global elemental cycles and climate regulation.
Dr. Keyron Hickman-Lewis is a Lecturer in Planetary Exploration at Birkbeck, University of London, with academic positions spanning institutions like the Natural History Museum and Imperial College London. He holds a M.EarthSci from the University of Oxford (2015) and a Ph.D. in Earth Sciences from CNRS Orléans and Università di Bologna (2019). His research focuses on the co-evolution of Earth and early life, planetary exploration (including Mars 2020 Perseverance rover missions), and technique development for analyzing ancient microbial biosignatures. Key interests include microbial mats, Archaean geology, and astrobiological field analogs like Lake Abhe (Djibouti) and Martian environments. Notable achievements include identifying Earth's oldest microbial traces (3.5 Ga) and studying Mars sample return strategies. He is a Fellow of the Geological Society (FGS) and serves on the European Astrobiology Network Association Council. Teaching includes modules on planetary science, geology, and remote sensing. Supervision focuses on astrobiology and planetary exploration topics. Key publications highlight breakthroughs in microbial mat preservation, Mars sample analysis, and Early Archaean stromatolite interpretation. Collaborations span international institutions including NASA, CNRS, and the University of Bologna.
Paul A Kapp is a Professor in the Department of Geosciences at the University of Arizona. His expertise spans continental tectonics, regional geology, structural-stratigraphic analysis, and eolian processes, with a focus on Asia and Cordilleran orogenic systems. Fieldwork includes geologic mapping, kinematic analysis of structures, and stratigraphic section measurements across Precambrian to Quaternary rock types. University: University of Arizona Department: Geosciences Email: pkapp@arizona.edu Research interests emphasize quantifying timing and rates of tectonic processes via geochronology and thermochronology. Key themes include Tibetan Plateau uplift, lithospheric dynamics in collisional zones, and eolian-landscape interactions. His work integrates field observations with analytical methods to understand orogenic plateau formation and paleoelevation reconstruction. Recent publications highlight tectonic-climate feedbacks, mantle melting mechanisms in Tibet, and crustal deformation in the North American Cordillera. Articles often address geodynamic modeling, basin evolution, and isotopic dating applications, reflecting a multidisciplinary approach to orogenic and sedimentary systems.
Sara Pruss is the Esther Cloudman Dunn Professor of Geosciences at Smith College, where she has established herself as a leading researcher in geobiology and paleontology. Her work focuses on critical transitions in Earth's history, particularly mass extinctions and the evolution of early life forms. She maintains an active research program that combines field work, laboratory analysis, and theoretical approaches to understand the complex interactions between life and Earth's environments through geological time. Education: Ph.D., University of Southern California M.S., University of Southern California B.S., University of Rochester Professor Pruss's research spans several interconnected areas within geobiology and paleontology. Her primary focus is on understanding mass extinction events, particularly the end-Permian extinction and Cambrian-Ordovician transitions. She investigates how these events affected marine ecosystems and the subsequent recovery patterns. Her work on Neoproterozoic carbonates and early animal evolution has provided important insights into the environmental conditions that facilitated the emergence of complex life. Professor Pruss also examines microbial sedimentary structures and their implications for interpreting ancient environments. Her research often combines detailed field observations with geochemical analyses to reconstruct paleoenvironments and understand the taphonomic processes that affect fossil preservation. Analysis of Professor Pruss's recent publications reveals a consistent focus on critical transitions in Earth's history. Her work spans the Ediacaran-Cambrian boundary, the Cambrian-Ordovician transition, and the Permian-Triassic extinction. A recurring theme is the relationship between environmental changes (particularly oxygenation and redox conditions) and biological evolution. Her research increasingly incorporates geochemical proxies like mercury chemostratigraphy to identify potential volcanic triggers for extinction events. The geographical scope of her work is global, with field sites in North America, Scotland, Namibia, and the Arctic. Scientific Awards: Outstanding Contributions to Geobiosciences by the Society for Geobiology and Geomicrobiology (2014) Sherrerd Prize for Distinguished Teaching by Smith College (2015) Professor Pruss has mentored numerous undergraduate students through her research lab at Smith College. Several of her former students, including Katie Castagno, Jana Burke, Kelsey Moore, Sophie Westacott, and Kiara Gomez, have gone on to earn PhDs from prestigious institutions like MIT, Yale, and Woods Hole. Her research has been consistently supported by major funding agencies including the National Science Foundation and the National Geographic Society. Beyond her research mentorship, Professor Pruss has been actively involved in programs aimed at supporting underrepresented women in STEM fields, demonstrating her commitment to inclusive excellence in science education. Professor Pruss leads an active research laboratory at Smith College that combines field, laboratory, and analytical approaches to geobiological research. Her lab has produced numerous publications with undergraduate co-authors, reflecting Smith's strong emphasis on undergraduate research. The lab's work often involves international collaborations with researchers from institutions around the world. Current research directions include investigating the relationship between oxygenation and early animal evolution, studying microbial influences on sedimentary structures, and examining the environmental triggers for major extinction events throughout Earth's history.
