Ulsan University Asan Medical Center Adult Cardiac Surgery Fellow (1998.3-1999.9)
Inje University Ilsanpaik Hospital Full Time instructor(1999.12-2000.8)
Dongguk University Medical Center Full Time Instructor(2000.9~2002.2)
Ulsan University Asan Medical Center Adult Cardiac Surgery clinical instructor (2002.3-2003.2)
Pusan national university hospital assistant professor (2003.3~)
professor of thoracic and cardiovascular Surgery, pusan national university yangsan hospital
Director, division of caddiac surgery, PNUYH( pusan national university yangsan hospital; 2012~)
coronary artery surgery
valve plasty
minimal invasive cardiac surgery
LV remodeling
aortic surgery
Inje university Paik hospital thoracic and cardiovascular surgery regidency (1995)
medical school , Pusan national university (M.D 1990)
Pusan national university medical school (Ph.D 2001)
Fellow of adult Cardiac surgery, Asan medical center, Seoul, korea (1999)
Inje university medical school (Ph.M 1997)