Bachelor of Science, Kyungpook National University, Daegu, Republic of Kores, 1990. Master of Science in Electrical Engineering, Kyungpook National University, Daegu, Republic of Kores, 1992. Doctor of Philosophy in Material Science, Keio University, Yokohama, Japan, 1996.
Senior researcher Ultra large-scale integration Laboratory, LG Semiconductor Ltd., Chungju, Republic of Korea, 1996—1997. Associate professor Pusan University of Foreign Studies, Republic of Korea, since 1997. Visiting professor Keio University, Yokohama, Japan, 2003.
Member of Institute of Electronics Information and Communications Engineers, Optical Society of America, American Physical Society, Institute Electrical Engineers Korea.
Married Hye Seon Jang, December 23, 1995. Children: Chae Eun, Seong Rak.