Doctor of Medicine, University Erlangen, Federal Republic Germany, 1966.
First resident Surgical Clinic, University Erlangen, 1973-1982, lecturer, 1973-1979, professor, since 1979. Chief surgical clinic Kreiskrankenhaus, Böblingen, Federal Republic Germany, since 1982. Professor surgery University Tübingen (Federal Republic Germany), since 1982.
Fellow American College of Surgeons. Member Deutsche Gesellschaft für Chirurgie (Jubilee prize 1992), Bayerische Gesellschaft für Chirurgie (J.H. Nussbaum prize l965), Deutsche Krebsgesellschaft, New York Academy of Sciences.
Married Hannelore Strebel, October 6, 1952. Children: Christian, Michael, Julia.