Kyungbook Medical School(M.D.1981)
Keimyung University Cardiothoracic Residency(1981-1986)
Asan Medical Center Cardiac Surgery Fellow(1989-1990)
Chief, Thoracic & Cardiovascular Surgery, Eulji University Hospital(1991-1996)
Chief, Thoracic & Cardiovascular Surgery, Ulsan University Hospital(1997-present)
Aortic Surgery
Valve repair surgery
MIDCAB
Antiarrhythmia surgery
OPCAB