| 1974-1983 | Study at the German universities |
| Freie Universität Berlin | |
| Ruprecht-Karls- Universität Heidelberg | |
| Universität Regensburg | |
1976-1982 |
Study abroad |
| Rijksuniversiteit Utrecht – Netherlands | |
| Guy’s Hospital – University of London – United Kingdom | |
| Stanford University – USA | |
1983-1990 |
Surgery Specialization |
| Justus-Liebig-Universität of Giessen – Germany | |
1990-1992 |
Fellowship |
| Dept. of Surgery – Brigham and Women’s Hospital | |
| Harvard University – Boston – USA | |
| 1996 | Qualification as a university professor (Habilitation) |
| Julius-Maximilians-Universität – Würzburg – Germany | |
1997 |
Guest Professorship for an indefinite period |
| Oslo University – Norway | |
1999 |
Director of the Hernia- and Vein-Clinic |
| Sauerlach Munich South | |
2006 |
apl. Professor of Surgery |
| Ludwig-Maximilians-Universität München – Germany |
Member of German and American Professional Societies (American Hernia society, American Association for the Surgery of Trauma, Surgical Infection Society of North America)
Reviewer and Editorial Board Member of scientific journals