| • | 1998 | PhD, Bielefeld University |
| • | 1998-1999 | Postdoc, Universite Paul Sabatier Toulouse |
| • | 1999-2000 | DFG research grant, UC San Diego |
| • | 2000-2001 | Teaching assistant, Bielefeld University |
| • | 2001-2003 | Lecturer, University of Oxford and Worcester College |
| • | Since 2003 | Professor, Bonn University |
| • | Since 2009 | Head of Examination Board for Bachelor and Master Studies, Bonn |
