| 2012 |
President German Society of Internal Medicine |
| 1999 |
President German Association of Gastroenterology |
| 1997-2002 |
Dean Medical Faculty, University of Leipzig |
| 1993 |
Professor and Director of Divisions of Gastroenterology and Rheumatology, University Hospital of Leipzig |
| 1989 |
Professor of Internal Medicine, University of Wurzburg |
| 1988 |
Board certification in Gastroenterology |
| 1986 |
Board certification in Internal Medicine |
| 1983-1985 |
Post Doc Department of Physiology, University of California, San Francisco |
| 1978-1982 |
Internship Internal Medicine and Gastroenterology, University of Wurzburg |
| 1970-1976 |
Medical School, Julius Maximilian University of Wurzburg |