University of Amsterdam, MD, 1990
Residency General Surgery SLAZ Hospital, Amsterdam 1996-1998
Residency Cardiothoracic Surgery OLVG Hospital, Amsterdam, 1998-2002
From 2002 staff member Cardiothoracic Surgery, Free University Medical Center, Amsterdam
From 2007 Interim Head of the Departmentof Cardio-Thoracic Surgery, Free University Medical Center,
Mitral valve reconstruction