Harvard College (A.B. Biochmistry, 1978)
Harvard Medical School (M.D., 1982)
Brigham and Women's Hospital Medical Internship (1982-83)
Stanford University General Surgery Residency (1983-90)
Stanford University Carl and Leah McConnell Cardiovascular Research Fellowship (1986-88)
Stanford University Cardiothoracic Surgery Residency (1990-93)
Stanford University Cardiopulmonary Transplantation Fellowship (1992-93)
Emory University Pediatric Cardiac Surgery Fellow and Instructor in Cardiothoracic Surgery (1993-94)
Staff, Center for Pediatric and Congenital Heart Disease, Cleveland Clinic Foundation (1995-97)
Chief, Dpt of Pediatric Heart Surgery, Onassis Cardiac Surgery Center, Athens, Greece (1997-2007)
Chief, Dpt of Pediatric Heart Surgery, Mitera Children's Hospital, Athens, Greece (2007-2013)
Chief, Dpt of Pediatric Heart Surgery, Iaso Children's Hospital, Athens, Greece (2013-2020)
Chief, Dpt of Pediatric Heart Surgery, Mitera Children's Hospital, Athens, Greece (2021-)
Director, Athens Heart Surgery Institute, Athens, Greece (2007-now)
Served as Council Member, Association for European and Congenital Cardiology (2014-2018), and is Secretary the Surgery Working Group (2015-now)
Served as Member of the Congenital Domain of the European Association for Pediatric and Congenital Heart Surgery
Served as Member of the Governing Council and is current Co-Chair of the Research Committee, World Society for Pediatric and Congenital Heart Surgery
Member of the Board of Directors of the Global Council for Education in Pediatric and Congenital Heart Surgery

President, European Congenital Heart Surgeons Association (2018-2023)
Chair of the Database Committee and Director of the European Congenital Heart Surgeons Association Database (2021-)