2003-2008 Assistant Professor at JLU Gießen for International Relations and Foreign Policy
1999-2002 Researcher at the JLU Gießen, Guest researcher at IRELA Madrid and Center for International Development and Environmental Relations (CIDER) JLU Gießen
1996-1998 PreussenElektra AG
Areas of Expertise:Russian Federation
, Energy policy
, EU energy policy
Global Energy Issues and Security of Supply (Oil and Gas), Renewables, International Energy-Governance; Non-conventional Oil and Gas; EU Foreign Energy Relations with the US, Russia, Caspian Region, MENA and Emerging Powers Brazil, China, India and South Africa.