Scientist

Career

Since 6/2012 Staff Scientist at Helmholtz Center Potsdam, Section 4.5 Geomicrobiology (tenured)
6/2012-9/2013 Managing Head of the Geomicrobiology Group, Universität Potsdam
10/2008-5/2012 Head of the Geomicrobiology Group, Universität Potsdam, Germany, as part of the BMBF-funded “Forschungsverbundprojekt GeoEnergie”
12/2006-9/2008 Postdoctoral Scholar at the GeoForschungs Zentrum, Potsdam, Germany, Section  Organic Geochemistry.
1/2005-11/2006 Postdoctoral Scholar of the NASA Astrobiology Institute at the Graduate School of Oceanography of the University of Rhode Island, USA
10/2003-12/2004 Coordinator of the 2004 DEBITS (Deep Biosphere in Terrestrial Systems) drilling campaign GeoForschungs Zentrum Potsdam, Germany)
1/2000-9/2003 PhD Student at the Dept. of Biogeochemistry, Max Planck Institute for Marine Microbiology, Bremen, Germany
1999 Rotary Ambassadorial Scholar at the Dept. of Marine Sciences, University of North Carolina at Chapel Hill, USA

Educa  tion

2003 Doctoral degree (Dr. rer. nat.), Universität Bremen
1999 Exchange Student at UNC Chapel Hill
1998 Diploma in Geology, Universität Bremen
1997/1998 Exchange Student at the Southampton Oceanography Centre
1995 Pre-Diploma in Geology/Paleontology, Universität

Research Area

Deep Biosphere
Biogeochemistry of lacustrine sediments
Lakes as carbon sinks
Pore water geochemistry
Direct turnover rate measurements with radiosotopes
Microbial biomass quantification