College of Medicine, the Catholic University of Korea(M.D. 1986)
Residency(Thoracic and Cardiovascular Surgery), St. Mary's Hospital, CUK
Surgeon-in Chief, Thoracic and Cardiovascular Surgery, Ahn's Hospital, Inchon(1994-5)
Clinical fellow, Thoracic and Cardiovascular Surgery, St. Paul's Hospital, Seoul(1995-6)
Instructor, Thoracic and Cardiovascular Surgery, the Catholic University of Korea(1996-2000)
Assistant professor, the Catholic University of Korea(2000-2010)
Surgeon-in Chief, Thoracic and Cardiovascular Surgery, Our Lady Mercy Hospital, Inchon(2001-2001)
Surgeon, Thoracic and Cardiovascular Surgery, Kangnam St. Mary's Hospital, Seoul(2001-2009)
Director, Medical information and Planning, Catholic Medical Center, Seoul(2001-5 )
Research Associate, Div. of Cardiothoracic Surgery, Baylor College of Medicien(2006-2008)
Surgeon-in Chief, Thoracic and Cardiovascular Surgery, Incheon St. Mary's Hospital, Inchon(2009- )
Associate professor, the Catholic University of Korea(2010-)
Valve repair
TVAR, EVAR
Hybrid operation
Minimally Invasive Cardiac Surgery
Medical informatics
Aortic Aneurysm Surgery