EDUCATION

1990.2.	Seoul National University College of Medicine, Seoul, Korea M.D.
1995.2.	Seoul National University; Graduate School; Seoul, Korea; Master of Medical Science
2001.2.	Seoul National University; Graduate School; Seoul, Korea; PhD. of Medical Science

POSTGRADUATE TRAINING

1990.3. – 1991.2.	Seoul National University Hospital; Seoul, Korea - Internship
1991.3. – 1995.2.	Seoul National University Hospital; Seoul, Korea - Residency in Internal Medicine
1998.5. – 2000.2.	Seoul National University Hospital; Seoul, Korea - Fellowship in Gastroenterology

FACULTY APPOINTMENT

2000.3. – 2001.8.	Instructor, Internal Medicine, Eulji Unversity School of Medicine
2005.3. – 2006.2.	Visiting scientist - Baylor College of Medicine, Department of Gastroenterology
2001.9. – 2010.7.	Chief of Endoscopy Division, National Cancer Center
2010.1. – 2012.1.	Chief of Gastric Cancer Branch, National Cancer Center
2012.1. – 2014.8.	Head of Center for Gastric Cancer, National Cancer Center
2014.3. –	Professor Department of Cancer Control and Policy, Graduate school of Cancer Science and Policy, National Cancer Center

PROFESSIONAL ACTIVITY

Member, Korean Medical Association
Member, Korean Association of Internal Medicine
Member, Korean Society of Gastroenterology
Member, Korean Society of Gastrointestinal Endoscopy
Member, Korean Gastric Cancer Association
Member, Korean college of Helicobacter and Upper Gastrointestinal Research
Member, Korean Cancer Association
Member, American Society of Gastrointestinal Endoscopy

Research Interest

H. pylori infection and gastric cancer - pathogenesis and prevention study
Gastric cancer screening and prevention
Endoscopic treatment of early gastric cancer