Yonsei Wonju medical college (M.D.1990)
Graduate school of Yonsei Univ. ( medicine )
YUMC cardiothoracic residency (1991-1995)
Yonsei cardiovascular center fellowship (1999)
Director of cardiothoracic surgery , Hye Min hosp. Seoul.
vascular surgery
pleural disease
chest trauma
thoracoscopic surgery
CABG
hyperhidrosis