EvangelismosGeneral Hospital Athens, General Surgery (1990-1993)
Glasgow Royal Infirmiry :Registrar in Cardiothoracic Unit (1993-1994)
Glasgow Royal Infirmiry : Registrar in Cardiac Transplant Unit (1994-1995)
Nottingham City Hospital Registrar in Cardiothoracic Unit (1995-1997)
Saint Savvas Oncologic Institute Athens, General Surgery (1997-1998)
Onassis Cardiac Surgery Center, Pediatric Cardiac Surgery &Congenital Heart Surgery (1999-2002)
Onassis Cardiac Surgery Center, Adults Cardiac Surgery 3rd Dept (2003-)
Adults Cardriac Surgery
Endovascular Techniques