Medical School of Athens (1990)
Army Share Fund Hospital General Surgery Residency(1992-1995)
Onassis Cardiac Surgery Center-Cardiac Surgery Residency(1995-1997)
Morriston Hospital Swansea -Cardiothoracic Surgery Residency(1997-1998)
Bristol Heart Institute -Cardiothoracic Surgery Residency(1997-1998)
Frenchay Hospital -Neurosurgery Residency(1998-1999)
Bristol Royal Infirmary-Orthopaedic Residency(1998-1999)
London Chest Hospital and Barts-Cardiothoracic Surgery Residency(1999-2000)
St-Mary's Hospital -Cardiothoracic Surgery Registrar and Senior Registrar(2000-2004)
Imperial Healthcare Trust -Consultant Cardiothoracic Surgeon
Imperial College London- Professor of Cardiothoracic Surgery
Mitral Valve Repair
Evidence Based Surgery
Ross I and Ross II operation
Regenerative Medicine
Metabolic Surgery
Complex aortic surgery
Beating Heart Surgery