Major Professional Experiences (Residency, Internship)
- Chief, Department of Internal Medicine, CHA Bundang Medical Center, Gyeonggi-Do, Korea 2017
- Chief in Devision of Gastroenterology and Hepatology, CHA Bundang Medical Center, Gyeonggi-Do, Korea
- Director, Academic and student affairs, CHA University, Gyeonggi-Do, Korea 2004-2011
- Director, Treatment and Planning affairs, CHA Bundang Medical Center, Gyeonggi-Do, Korea 2000-2006
- Chief, Department of Internal Medicine, CHA Bundang Medical Center, Gyeonggi-Do, Korea 2007-8, 2011-12
- Residency in Severance Hospital, Yonsei University College of Medicine, Seoul, Korea 1987-1990
- Internship in Severance Hospital, Yonsei University College of Medicine, Seoul, Korea 1986-1987