| February 21, 1948 | Born in Hannover (Germany) |
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| 1966 | Gratuated from High School |
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| 1967 – 1972 | Medical education at the University of Munich |
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| 1972 | Doctor’s degree (Dr. med.) |
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| 1973 – 1980 | Scientific Assistant at the Department of Surgery, Medical University of Hannover, Division of Abdominal- and Transplantation Surgery (Head: Professor Dr. med. R. Pichlmayr) |
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| 1981 | Habilitation (Privatdozent) |
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| 1986 | Professor of Surgery |
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| 1988 – 1996 | Associate Professor (locum tenens of Professor Dr. med. R. Pichlmayr) |
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| 1996 – 2012 | Head of the Department of General- and Visceral Surgery Städtisches Klinikum Solingen Academic Teaching Hospital of the University of Cologne |
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| November 2011 | Doctor honoris causa (Jagiellonian University Cracow) |
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| Since August 1st, 2012 | Secretary General of the German Society of Surgery |
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| Special interests | Visceral surgery, surgical oncology, multimodality treatment of malignant tumors, laser surgery, laparoscopic surgery |
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