University Medical School Muenster, Germany,(1982-1988)
University of Melbourne, Melbourne, Australia, (1988)
Texas Heart Institute, (1989)
University of the Witwatersrand, Johannesburg, South Africa (1989-1992)
German Heart Center, Berlin, Germany (1992-1994)
Heart Institute Lahr/Baden, Germany (1994-2012)
Royal Brompton & Harefield Hospital's , London, UK (2012 until present)
Head Aorta and Vascular Unit, Royal Brompton and Harefield Hospital's, London, UK
Complex Aortic Surgery
Type A and B, or Non-A or B Aortic Dissections
Aortic Arch replacement, Re-Do, Frozen Elephant Trunk, TEVAR/EVAR for Arch and Ascending Aorta Aneurysms as a Hybrid procedure as a Team approach
Cerebral Protection during Aortic Surgery
Surgical Repair of the Aortic Arch and Thoracic-Aorta
Ross-Procedure
Minimally Invasive Surgery of Heart Valves
Minimally Invasive Surgery for Lone Atrial Fibrillation
Aortic Valve Replacement with Stent less Bio-Prosthesis or a Homograft
Surgical Repair in Cardiac Valve Endocarditis
Repair of all Heart Valves when possible
Tumours of the Heart, Sarcoma, Melanoma, Malignant Angio-Sarcoma, etc.
Standard operations, CABG, AVR,MVR etc.