| 2009 | W. Glenn Campbell and Rita Ricardo‐Campbell National Fellowship at the Hoover Institution at Stanford University. |
| Research Affiliate at the Stanford Forum on Contemporary Europe. | |
| 2006 | Nomination for the Descartes Prize for Research of the European Commission. |
| 2002 | Fulbright Distinguished Chair at the Washington University in St. Louis. |
| 2001 | Harrison Prize of the British Political Science Association (PSA) for the best article in 2001. |
| 2000 | Visiting Professor at the University of Rome III. |
| 1998 | Karl W. Deutsch‐Professor at the Social Science Research Center Berlin (Wissenschaftszentrum Berlin für Sozialforschung, WZB). |
| 1997 | Habilitation in Political Science at the Department of Social Sciences at the University of Mannheim (Thesis: "Coordination, Cooperation and State Sovereignty"). |
| 1990 | Dissertation in Political Science at the Department of Social Sciences at the University of Mannheim (Thesis: "Organized Influence on Legislative Politics in the German Labor Policy Domain"). |
| 1987 | Master in Political Science and Roman Languages at the University of Mannheim. |