Dr. Marina Kravchishina is a Leading Researcher at the Marine Geology Department, Shirshov Institute of Oceanology, Russian Academy of Sciences (IO RAS). She completed her PhD studies in Oceanology at the IO RAS, and has been awarded Medal of the Russian Academy of Sciences with a grant for young scientists. She recently led the project "Sedimentation and early diagenesis in the Arctic seas of Eurasia in areas of ongoing methane-rich fluid release", Russian Science Foundation. She has published 135 papers in various journals, and serves as a past member of the Scientific Steering Committee for the international GEOTRACES program and a National Ambassador of the International Implementation Committee for the international program “BioGeoSCAPES: Ocean Metabolism and Nutrient Cycles on a Changing Planet”. Her interests include Sedimentology, Geochemistry, Biogeochemistry, and the Arctic.