Chief Surgeon of the Surgical Department of General- and Visceral Surgery at Ev. Stift St. Martin Hospital in Koblenz, Germany, Gemeinschaftsklinikum Mittelrhein (Joint Hospital)
August 1994 – July 2001
Scientific and clinical staff at the University Hospital of General, Visceral, Thoracic and Vascular Surgery, Charité Berlin, Germany (Director: Prof. Dr. J.M. Müller).
Senior Physician at the University Hospital and Polyclinic for General, Visceral, Thoracic and Vascular Surgery, Charité, Berlin, Germany (Prof. Dr. J. Müller).
March 1986 – June 1994
Scientific and clinical staff at the University Hospital of General, Visceral, Thoracic, Vascular and Trauma Surgery in Cologne, Germany (Director: Prof. Dr. Dr. H. Pichlmaier/ Prof. Dr. K. E. Rehm)
July 2001 – January 2023
Chief Surgeon of the Surgical Department of General- and Visceral Surgery at Ev. Stift St. Martin Hospital in Koblenz, Germany, Gemeinschaftsklinikum Mittelrhein (Joint Hospital)
August 1994 – July 2001
Scientific and clinical staff at the University Hospital of General, Visceral, Thoracic and Vascular Surgery, Charité Berlin, Germany (Director: Prof. Dr. J.M. Müller).
Senior Physician at the University Hospital and Polyclinic for General, Visceral, Thoracic and Vascular Surgery, Charité, Berlin, Germany (Prof. Dr. J. Müller).
March 1986 – June 1994
Scientific and clinical staff at the University Hospital of General, Visceral, Thoracic, Vascular and Trauma Surgery in Cologne, Germany (Director: Prof. Dr. Dr. H. Pichlmaier/ Prof. Dr. K. E. Rehm)