- 1985 - 1991Ph.D., Physics, MIT, USA
- 1981 - 1985 B.S., Physics, Seoul National University
- 2019 - President, Institute for Basic Science
- 2019 - 2021Council Member, Presidential Advisory Council
for Science and Technology
- 2015 - 2019 Director, Center for Advanced X-ray Science, GIST
- 2015 - 2016Chairman, Basic Research Expert Committee,
National Science & Technology Council
- 2012 - 2015Dean, GIST College, GIST
- 2012 - 2014Board Member, Korea Research Council of
Fundamental Science Technology
- 2008 - 2015Director, National Core Research Center, GIST
- 1995 - Professor, Department of Physics and Photo Science, GIST
- 1993 - 1995Senior Physicist, Exxon Research and
Engineering Company
- 2012Science and Technology Medal
- 2007Commendation, President of Korea
- 2010Honorary Doctorate Degree, NARA Institute
of Science and Technology, Japan
- 2002Commendation, Ministry of Science and Technology