Keimyung medical school (M.D. 1994)
Keimyung Univ.Dongsan Medical Center, Intern (1994)
Dongsan Medical Center, CT Residency (1995-1999)
Mandatory military service (1999-2002)
Sooncheonhyang Univ. Gumi Center CT staff (2002-2003)
Sejong General Hospital, CT fellow (2003-2006)
Sejong General Hospital, CT staff (2006~2009)
Texas Heart Institute, BCM, Aortic fellowship(2009~2010)
Sejong General Hospital, CT staff (2010~2012)
Southern Thoracic Surgical Association, Member (2012~2018)
Keimyung University Dongsan Medical Center (2013~2022)
Konyang University Hospital (2022~)
Aortic surgery and stenting
Minimally invasive cardiac surgery (valve, arrhythmia)