Freie Universit
Residency for Surgery and Thoracic-Cardio-Vascular Surgery
Medical Faculty Berlin PhD and Professorship 1979-83
Research fellow Medical Center Univ. Colorado 1970-1971
Chief of Cardiovascular Surgery Cardiac Center Bad Krozingen 1984-1990
Professor Cardiothoracic Surgery University Regensburg since 1990
pulmonary assist in acute lung failure
arterial revascularisation
extracorporeal circulation, MECC systems
endothelial research in context with biotooling
cardiac transplantation
valve reconstructive surgery