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2021 – present Head of Polar Biological Oceanography Section at AWI.
2020 – present Sub-Topic Speaker for ‘The Future Biological Carbon Pump’ within the POF IV Helmholtz Research Program ‘Changing Earth – Sustaining our Future’.
2020 – present Leader of AWI-MARUM bridging group SeaPump.
2019 – 2020 Deputy Head of Polar Biological Oceanography Section at AWI.
2014 – 2020 Leader of Helmholtz Young Investigator Group “SeaPump” at AWI, Marum, and University of Bremen.
2019 – present Professor auf Zeit, §17, at Uni-Bremen (currently negotiating for W2 Professorship at Uni-Bremen).
2018 – 2021 Speaker for MARUM Cluster of Excellence ”The Ocean in Earth System” for the research area  Receiver.
2017 – present Member of the German Marine Research Consortium – Open Ocean Observation with German contribution: current status and future needs.
2016 – present Member of the SCOR Working Group 150 – Translation of Optical Measurements into particle Content, Aggregation & Transfer (TOMCAT)
2015 – present Faculty member of Faculty of Geoscience at University of Bremen, FB05
2015 – present present: Faculty member of the International Max Planck Research School of Marine Microbiology, MarMic
2009 – 2014 Post Doc at MARUM, FB05, Uni-Bremen
2006 – 2009 Ph.D. thesis at Max Planck Institute in Bremen, Alfred-Wegener-Institut für Polar- und Meeresforschung in Bremerhaven and at MARUM - RCOM (Research Center Ocean Margins).
2004 – 2005 Master thesis on degradation processes of fecal pellets, Danish Institute for Fisheries Research Charlottenlund (DK) & Southern University of Denmark Odense (DK)
Summer 2004 Research assistant - Southern University of Denmark
2003 – 2004 Research assistant - Roskilde University, Denmark
2003 – 2004 Master in Biological Oceanography, Leibniz-Institut für Meereswissenschaften Kiel (D) & Southern University of Denmark Odense (DK)
2000 – 2003 Biology study, Roskilde University, DK
Bachelor in environmental biology:
Ecophysiology and Ecotoxicology
2001 – 2005 Teaching natural science at ground school, Denmark