College of Medicine, Seoul National University(1976-1982)
Cardiothoracic Residency in Seoul National University Hospital(1983-1987)
Surgical Postgraduate Study in Baylor College of Medicine(1996-1997)
Faculty Member in College of Medicine, Gyeongsang National University(1991- )
Valvuloplasty
Aortic dissection
Coronary artery surgery
Aortic aneurysm