2016/2017 Visiting Profesor, Austrian Institute for International Affairs (oiip), Vienna
2012/2013 Visiting Professor of International Relations, Department of Political Science, Leopold Franzens-University Innsbruck, Austria
2010 Visiting Professor of International Relations, Department of Political Science, Leopold Franzens-University Innsbruck, Austria
2006/2007 Visiting Scholar, Center for European Studies, Harvard University, Cambridge, Mass., USA
2001-2021 Professor of International Relations and Political Science (Chair), Kaiserslautern University of Technology, Germany
1999-2001 Senior Research Associate, Center for North American Studies (ZENAF), Goethe University Frankfurt, Germany
1998-1999 Visiting Professor of International Politics with a special focus on Foreign Policy of Western Industrialized Countries, Goethe University Frankfurt, Germany
1998 "Habilitation" in Political Science, Goethe University Frankfurt, Germany
1992-1998 Postdoc, Goethe University Frankfurt, Germany, FB 03, International Relations, Prof. Dr. Gert Krell
1991-1992 John F. Kennedy Memorial Fellow, Harvard University, Cambridge, Mass., USA
1987-1991 Postdoc, Goethe University Frankfurt, Germany, FB 03, International Relations, Prof. Dr. Ernst-Otto Czempiel
1986-1987 Research Associate, Peace Research Institute Frankfurt (PRIF, HSFK), Frankfurt/Main, Germany
1986 PhD in Political Science, Goethe University Frankfurt, Germany
1985-1986 Congressional Fellow, German Marshall Fund/American Political Science Association, Washington, D.C., USA
1984-1985 PhD Fellowship of the federal state of Hessen in Political Science
1983-1984 DAAD Fellowship, School of Advanced International Studies (SAIS), Johns Hopkins University, Washington, D.C., USA
1983 Diploma Examination in Sociology, Goethe University Frankfurt, Germany
1982/1983 Internship, Committee on Foreign Affairs, U.S. House of Representatives, Washington, D.C., USA
Undergraduate and graduate studies in Political Science, Sociology and Economics, University of Munich and Goethe University Frankfurt, Germany