Doctor of Philosophy in Biochemistry, University Wisconsin, 1994.
Research associate department biochemistry University Wisconsin, Madison, 1994—1995. Research associate Salk Institute for Biological Studies, La Jolla, California, 1995—1998. Assistant professor School Biological Sciences, Seoul (Republic of Korea) National University, 1998—2002, associate professor, since 2002.
Second lieutenant United States Army, 1988-1989, Youngchon.
Member of Association Korean Plant Biology (editor 2000-2003).
Married Yoon-Kyung Kang, January 5, 1964. Children: Seyoung, Sang-Yoon.