Education

• 1982.03-1986.02 Bachelor, College of Medicine, Chungnam National University

• 1987.03-1989.02 Master, Postgraduate School, Chungnam National University

• 1992.03-1998.08 Ph.D., Postgraduate School, Chungnam National  University

Employment and Training

• 1986.03-1990.02 Internship, CNUH

• 1990.03-1992.02 Fellowship, Division of Endocrinology-Metabolism, Department of Internal Medicine, SNUH

• 1992.09-1994.09 Instructor, Department of Medicine, School of Medicine, Chungnam National University

• 1994.09-1996.08 Postdoctoral Visiting Fellow, Cell Regulation Section, Metabolic Disease Branch, NIDDK, NIH

• 1994.10-1999.03 Assistant Professor, Department of Internal Medicine, School of Medicine, Chungnam National University

• 1999.04-2004.03 Associate Professor, Department of Internal Medicine, School of Medicine, Chungnam National University

• 2004.04-2023.03 Professor, Department of Internal Medicine, School of Medicine, Chungnam National University

• 2004.08-2010.08 Chief, Division of Endocrinology-Metabolism, CNUH

• 2006.06-2008.03 Chief, Healthcare, Chungnam National University

• 2010.05-2015.03 Director, Research Center for Endocrine and Metabolic Diseases, Ministry of Health & Welfare, Korea

• 2011.03-2012.12 Vice-Dean, Chungnam National University School of Medicine 

• 2013.01-2015.11 Dean, Chungnam National University School of Medicine

• 2016.05-2016.07 Visiting Professor, INSERM, Rare diseases, genetics and Metabolism, Bordeaux University Hospital 

• 2016.01-2023.03 Adjunct Professor, Graduate School of Medical Science and Engineering, KAIST

• 2016.11-2019.11 President, Chungnam National University Hospital

• 2023.04-present Professor, Graduate School of Medical Science and Engineering, KAIST