Clinical Professor, Cardiovascular Surgery Icahn/Mount Sinai School of Medicine
Morningside /St. Luke’s Hospital Center New York, NY 2016-present
Senior Attending Emeritus 2010- present & Professor and Chair Cardiothoracic Surgery Columbia University/ St. Luke’s Roosevelt Hospital Center New York, NY 1991-2016
Professor Emeritus of Cardiac Surgery, National Kapodistrian University of Athens
Athens, Greece, EU 2007-present