Doctor of Medicine, University Hamburg, Germany, 1966.
Trainee Hospital Wandsbek, Hamburg, Germany, 1964—1966, German Red Cross Hospital, Saigon, Vietnam, 1966—1967. Chief department surgical endoscopy Mannheim, Germany, 1980—2003. Lecturer general surgery University Heidelberg, Germany, 1992, professor general surgery, 1981—2003, professor emeritus, since 2003.
Lecturer in field.
Member of German Society Endoscopy and Imagology, German Society Surgery (general secretary surgical working group endoscopy 1973—2002, v. Mikulicz-Kelling medal 2003), American Society Gastrointestinal Endoscopy (correspondent), Society of America Gastrointestinal Endoscopic Surgeons (honorary).
Married Ulrike Alsleben. Children: Cornelia, Johannes, Dorothea, Albrecht, Philipp.