Associate Professor of Surgery, Medical School Hannover, GER (1998-2000)
Professor and Director of Cardiac Surgery, University Rostock, GER (2000-present)
Cardiothoracic Surgery, Medical School Hannover, GER (1996-1997))
Vascular Sugery, University of Kiel, GER (1993-1995)
General Surgery, Medical School Hannover, GER (1985-1992)
Medical study, Erasmus University Rotterdam, NL (1977-1984)