Hallym medical colledge(M.D. 1992)
Hallym University Cardiothoracic Residency(1994-1997)
Hallym University Cardiothoracic Fellowship(1998-2001)
Hallym University Cardiothoracic staff(2001-)
Pleural disease treatment
AV fistula(vascula acess formation)
Hyperhidrosis treatment
Preventative medicine
Thoracic trauma
Lung cancer treatment