Since 2019 member of the strategical advisory board of the special initiative “One World, no Hunger” at the German Federal Ministry for Economic Cooperation and Development
2009 -2011 SWP Work Package Leader "Defining an interest: the European Union and the High North" in the GeoNor Project of the Norwegian Institute for Defence Studies, Oslo, Norway
since 2008 Senior Associate at the SWP
2003-2007 Assistant professor at the institute for food and resource economics, University of Bonn
since 2006 Member of the coordination team for the network of technology assessment (NTA)
2001-2003 Lecturer for agricultural, trade and development policy at the European Institute for Public Administration (EIPA), Maastricht, Netherlands
1998-2001 Researcher at the Institute for Agricultural Policy, University of Bonn
1997 Researcher at the Institute for Research on European Integration (IEIF)