| Year | Career |
|---|---|
| 1967 | Born in Stuttgart |
| 1987-1988 | Studies in technical cybernetics, University of Stuttgart |
| 1988-1991 | Studies in law, University of Tübingen |
| 1991-1992 | Studies in law, University of Konstanz |
| 1992 | First juridical state examination |
| 1988-1992 | Scholarship awarded by the German Academic Scholarship Foundation |
| 1993 | Special prize awarded by Stifterverband für die Deutsche Wissenschaft |
| 1992-1995 | Clerkship at various judicial institutions in Konstanz and Washington, D.C. (USA) |
| 1992-1995 | Teaching assistant, University of Konstanz (chair of Prof Dr Matthias Herdegen) |
| 1995 | Second juridical state examination |
| 1995-1997 | Teaching/research assistant, University of Bonn (chair of Prof Dr Matthias Herdegen) |
| 1997 | Doctorate (Dr. jur.) (Bonn) |
| 1997-2003 | Assistant Professor, University of Bonn (chair of Prof Dr Matthias Herdegen) |
| 2003 | venia legendi (for Constitutional and Administrative Law, International and European Law and Comparative Law), University of Bonn |
| 2003-2008 | Associate Professor, University of Bonn |
| 2003-2008 | Acting professor: University of Bonn (Institute of Canon Law, 2003; Institute of Public International Law, 2004/2005 and 2006/2007) University of Düsseldorf (Chair of German and Foreign Public Law, Public International Law and European Law 2007/2008) University of Tübingen (Chair of Public Law and Public International Law 2008) University of Passau (Chair of Constitutional and Administrative Law, European and International Economic Law 2008/2009) |
| 2008 | Calls from the University of Copenhagen (Chair of European Law), the University of Passau (Chair of Constitutional and Administrative Law, European and International Economic Law) and the University of Hannover (Chair of Public Law and Technology Law) |
| 2009 | Full Professor (Chair of Constitutional and Administrative Law, Public International Law, European and International Economic Law) |
| 2013-2015 | Head of the Faculty’s International Helpdesk |
| 2014-2015 | Member of the Senate and the University Council |
| 2014-2016 | Vice-Dean |
| 2016-2018 | Dean |
| Since 2018 | Member of the Permanent Senate Commission of the German Research Foundation (Deutsche Forschungsgemeinschaft - DFG) on Genetic Research. |
| 2021-2023 | Member of the Senate and the University Council |
| Since 2023 | Member of the Standing Committee “Life Sciences” of the National Academy of Sciences Leopoldina |
| Since 2024 | Member of the German Ethics Council |
