Seoul National University College of Medicine (M.D.1982)
Seoul National University Hospital Thoracic & Cardiovascualr Surgery Residency (1983-1987)
SNUH Thoracic & Cardiovascular Surgery Fellowship(1987-1988)
UCLA Medical Center Research Fellow (1993-1995)
SNUCH Thoracic and Cardiovascualr Surgery Faculty (1990-present)
Vanderbilt Medical Center, Visiting Professor (1999)
Boston Children's Hospital (2004)
Transplantation coronary artery disease
Xenocardiac transplantation
Experimental fetal cardiopulmonary bypass
Heart transplantation
Myocardial protection
Pediatric cardiac surgery