Qualifications

• 1980 Admission to medical practice.
• 1980 Doctoral thesis defense.
• 1987 Medical Specialist in Surgery.
• 1998 Specialization in Abdominal Surgery.
• 1999 Specialization in Thoracic Surgery.
• 1988 Habilitation, Hamburg.
• 1992 C2 Professor, Hamburg.
• 1992 Acting C3 Professor, Kiel.
• 1993 C3 Professor (for life) in Oncology and Transplantology, Kiel.
• 1993 Head of the Transplant Center, Kiel.
• 2001 C4 Professor, Ulm.
• 2011 Advanced training in Special Abdominal Surgery.
• Since 2001, Head of the Department of General and Abdominal Surgery at the University Hospital of Ulm (specialty: Oncology).

Memberships and Positions in Professional Societies

• German Cancer Society: Representative of the Surgical Working Group of the German Society of Surgery.
• Editorial Board Member, National Editor of Hepato-Gastroenterology Journal.
• Activities in the Research Council of the Oncology Journal.
• Activities in the Research Council of the Transplantation Aktuell Journal.
• Board Member at the Saarland University.
• 2005 President of the German Association for the Study of the Liver (GASL).
• Advanced Training Committee Member for an additional qualification in General and Abdominal Surgery, Medical Association of South Württemberg.
• Advisory Board of the South-West German Gastroenterology Association.
• Position in the Appeals Committee of the Medical Association of the Baden-Württemberg State.
• October 2007 Honorary Membership in the Chinese Society of Surgery.