Pusan National University College of Medicine (MD 1983)
Pusan National University Hospital CT Surgery Residency (1983-1988)
Pusan National University Graduate School (PhD 1990)
University of Alabama at Birmingham Fellowship (1995-1996)
Loma Linda University Medical Center Fellowship (2002-2003)
esophageal surgery
tracheal reconstruction
coronary artery bypass graft
aortic aneurysm