- B. S. in Metallurgical Engineering, Seoul National University, Korea, 1976
- M. S. in Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Korea, 1978
- Ph. D. in Materials Science and Engineering, Northwestern University, U.S.A., 1984
- Professor, Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Taejon, Korea, 1986-Present
- Research Engineer, Agency for Defence Development, Seoul, Korea, 1978-1981
- Research Associate, Dept. of Materials Science and Engineering, Stanford University, California, U.S.A., 1984-1986
- Visiting Professor, Max-Plank-Institut fur Eisenforschung, Dusseldorf, Germany, 1989
- Visiting Scientist, Inco Alloys International, Inc., Huntington, West Virginia, U.S.A.,1992-1993
- Visiting Professor, Tohoku University, Sendai, Japan, 1994
- Visiting Professor, Stanford University, Stanford, California, U.S.A. , 1997
- Council Member, Asian-Australasian Association for Composite Materials, 1998-Presedent
- Director, Korean Institute of Metals and MAterials, 2004-Present
- Chariman, Dept. of Matierials Science and Engineering, Korea Advanced Institute of Science and Technology, 2004-2006
- Director, KAIST Institute for the NanoCentury, 2006-2010
- Editorial Board Member, Composites Science and Technology, 2006-Present
- Editiorial Board Member, Advanced Composite Materials, 2007-Present
- Regular Member, Korean Academy of Science and Technology, 2007-Present
- Editor, NPG Asia Materials, 2008-Present
- President Korean Powder Metallurgy Institute, 2008-2008
- Vice-president, Korea Nano Technology Research Society, Ministry of Knowledge Economy, 2010-Present
- Managing Director, Office of Strategic R&D Planning, Ministry of Knowledge Economy, 2010-Present
- President, Korean Society for Composite Materials, 2011-2011
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