| 1995-1999 | Ph.D. in Department of Nutrition, Kyung Hee University (Major : Clinical Nutrition) |
| 1990-1992 | M.S. in Department of Nutrition, Inha University (Major : Nutritional biochemistry) |
| 1986-1990 | B.S. in Department of Nutrition, Inha University |
| 2005-Present | Post-doctoral fellow, Body Composition Unit,
Obesity Research Center, Institute of Human Nutrition, St. Luke's Hospital, Columbia University |
| 2004- 2005 | Research Associate, Research Institute of Clinical Nutrition, Kyung Hee University, Seoul, Korea |
| 2002- 2003 | Research Associate, Division of Medical Engineering, Ajou University, Suwon, Korea |
| 2000- 2002 | Contents Analyst and Provider, Healthcare Contents Unit, Greencross Pharmaceutical Company, Yongin, Korea |
| 1999- 2000 | Post-doctor, Dept. of Pharmacology & Toxicology, School of Medicine, Inha University, Inchon, Korea |
| 1995-1996 | Research Assistant, Dept. of Food & Nutrition, Kyung Hee University, Seoul, Korea |
| 1993-1995 | Research Scientist, Dept. of Pharmacology & Toxicology, School of Medicine, Inha University, Inchon, Korea |
| 1992-1993 | Research Scientist, Neurobiology Laboratory, Clinical Research
Institute, Seoul National University Hospital, Seoul, Korea |
| 1990-1992 | Research Assistant, Dept. of Pharmacology & Toxicology, School of Medicine, Inha University, Inchon, Korea |
| 2005 | Clinical Nutrition, Inha University, Graduate Nutrition through out the life cycle, Kyung Hee University, Undergraduate |
| 2004 | Functional Food, Inha University, Undergraduate |
| 2003 | Functional Food, Dongkuk University, Graduate |
| 2002 | Nutrition through out the life cycle, Inha University, Undergraduate |
| 1999 | Nutrition through out the life cycle, Inha University, Graduate Analytical Chemistry, GyunKuk University, Undergraduate Diet & Healthcare, Kyung Hee University, Undergraduate Experimental Nutrition, Inha University, Undergraduate |
| 1998 | Nutrition through out the life cycle, Inha University
Undergraduate Clinical Nutrition, Kyungmin College, Undergraduate |
| 1997 | Experimental Nutrition, Kyungmin College, Undergraduate Nutrition through out the life cycle, Jangan College, Undergraduate Nutrition through out the life cycle, Inha University, Undergraduate |