Catholic University Medical College (M.D. 1990)
Catholic Medical Center Internship (1990-1991)
Catholic Medical Center Thoracic and Cardiovascular Residency (1991-1995)
Military Service (1995~1998)
Clinical Fellow at St. Mary's Hospital(1998~1999)
Staff, Instructor at St. Paul's Hospital (1999~2002)
Assistant Professor, Catholic University Medical College (2002 ~ present)
Clinical Research Fellow at Cleveland Clinic, Oh (2004~2005)
heart failure surgery
Complicated ischemic heart disease
Aortic root disease
Aotic disease