Prof. Dr. Markus Rex is the expedition leader of MOSAiC. He leads the section „Atmospheric Physics“ of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research in Germany and is a professor for Atmospheric Physics at the University of Potsdam. He studied Physics, Meteorology and Geophysics at the Carolo- Wilhelmina-Universität Braunschweig and at the Georg-August-Universität Göttingen. Dr. Rex graduated from Göttingen in 1993 with a degree in physics. He later received his PhD from the Free University in Berlin in 1997 and habilitated at the University of Bremen in 2013. He has published more than 70 peer-reviewed scientific papers and received multiple awards for his research on the polar climate system.

Prof. Dr. Antje Boetius is a polar and deep-sea researcher and director of the Alfred Wegener Institute Helmholtz Center for Polar and Marine Research. She studied Biology and Oceanography in Hamburg and San Diego and received her doctorate in deep-sea microbiology in 1996. Antje Boetius has participated in over 50 expeditions on international research vessels. She has received a number of renowned national and international awards. She is a member of the National Academy of Sciences Leopoldina and was granted the Communicator Award by the Stifterverband and the German Research Council in 2018 as well as the German Environmental Award.

Jan-Gunnar Winther is the Director of the Centre for the Ocean and the Arctic, Nofima & Specialist Director at the Norwegian Polar Institute. He has a Ph.D. (and M.S.) from the Norwegian Institute of Technology (NTH). Dr. Winther is Chair of the Board of GRID Arendal (since 2017). From 2005 to 2017 he served as director of the NPI. In 2017 he became an Adjunct Professor at École Polytechnique Fédéral de Lausanne (EPFL) and he was Adjunct Professor at the University Centre in Svalbard from 2002-2007. Dr. Winther was leader course at the Norwegian National Defense College in 2003 and 2013.
Dr. Winther serves on a number of national and international committees and delegations including deputy chair of the Norwegian Government’s Expert Committee on Northern Regions Policies, national expert to the Arctic Council and the Antarctic Treaty Consultative Meetings, Lead Author on IPCC’s AR5, member of the Norwegian Academy of Technological Sciences, the World Economic Forum, United Nations Global Compact Action Platform for Sustainable Ocean Business, China Council for International Cooperation on Environment and Development, expert to the High Level Panel on Sustainable Blue Economy and the Explorers Club.