Registrar in Cardiac Surgery, Groote Schuur Hospital and UCT, Cape Town - South Africa(1975-1978)
Master of Medicine in Cardiothoracic Surgery, University of Cape Town (1977)
Consultant in Cardiac Surgery at Groote Schuur Hospital (1979-1980)
Associate Cardiac Surgeon at University of Utrecth (NL) (1981)
Senior consultant and senior lecturer at JHB Hosp and Wits Univ.(S. Africa) (1981-1984)
Sen. consultant in Cardiac Surgery (1984-87) and Ass.Professor (1986-87) at the Med.Univ. S.Africa
Associate Cardiac Surgeon at the Casa di Cura Villa Maria, Cotignola( RA-Italy) (1987-1992)
Head of the Division of Cardiac Surgery at Casa di cura Santa Maria, Bari - Italy (1992-1998)
Head Division Cardiac Surgery, VILLA BIANCA, Bari - Italy (1998 to 2008)
Coordinator Dipartimento CUORE, Anthea Hospital,Bari,Italy, from January 2009
L. Ventricular reconstructive surgery
Thoracic aortic surgery
Coronary artery surgery
Heart valve surgery ( particularly valve repair )
Beating heart surgery