Yonsei University College of Medicine (MD,1996)
Residency, Thoracic and Cardiovascular surgery, Severance Hospital (1997-2001)
Captain, Armed Forces Medical Command of ROK, (2001-2004)
Clinical fellowship,General thoracic surgery , Severance Hospital, (2004-2006)
Assistant/Associate professor, Severance Hospital, Yonsei University College of Medicine (2006-2011)
Associate professor, Seoul National University Hospital, Seoul National University College of Medicine (2011-2016 )
Professor, Seoul National University Hospital, Seoul National University College of Medicine (2016- )
Lung cancer
Infectious lung disease
Mesothelioma
Thymic malignancy
Tracheal surgery
Minimally invasive surgery - VATS