Since June 2008 Professor at the Chair in Macroeconomics and International Economics, University of Witten;
March 2007 – June 2008 Professor at the Chair in International Economic Policy, European Business School, International University;
October 2006-February 2007 Interims Professor at the Chair in Economic Policy, University of Kassel;
October 2005-Sept. 2006 Assistant Professor at the Chair in Economic Policy of Prof. Dr. Renate Ohr, Georg-August-University of Goettingen;
October 2004- Sept. 2005 Interims Professor at the Chair in Economic Policy II, Ruhr-University of Bochum;
July 2004 Habilitation at the Georg-August-University of Goettingen;
August 2000-Sept. 2004 Research Assistant at the Chair in Economic Policy of Prof. Dr. Renate Ohr, Georg-August-University of Goettingen;
December 1997 Ph.D. (Dr. oec.) in Economics at the University of Hohenheim;
October 1994-July 2000 Research Assistant at the University of Hohenheim;
October 1988-May1994 Studies in Economics at the University of Hohenheim,
degree: Diplom-Ökonom.