Groote Schuur Hospital Univ. of Cape Town (1987 -1992)
Papworth Hospital Cambridge UK (1992-1993)
Sana Cardiac Clinic Stuttgart (1994-1999)
Private Practice Pretoria South Africa (1999-2003)
Visiting Surgeon Cardiac Clinic Stuttgart (1999-2003)
Chief of Surgery Cardiac Clinic Lake Constance (2004 - )
Allografts and cryopreservation
Ross Operation
David/Yacoub operation
Complete arterialisation
Aortic Surgery