Doctor of Philosophy, Johns Hopkins University, 1994.
Research assistant Seoul National University, Seoul, Republic of Korea, 1984—1986, The Johns Hopkins University, Baltimore, 1988—1993. Postdoc Institute of Genetics and Molecular and Cellular Biology, Strasbourg, France, 1993—1996. Research associate Catholic Medical College, Seoul, 1996—1999.
Director Sejong Institute of Bioscience, since 2000. Associate professor Sejong University, since 2002. Editorial board Asian Pacific Journal of Cancer Research, Nagoya, Nagoya, Japan, since 2000.
Member American Society for Biochemistry and Molecular Biology, Bethesda, Doctor of Medicine, since 2002. Regular member Korean Society of Medical Biochemistry and Molecular Biology, Seoul, Republic of Korea, since 2001, Korean Society for Molecular and Cellular Biology, Seoul, since 2001, Biochemical Society of The Republic of Korea, Seoul, since 2000. Lecturer Kyunghee University, Suwon, Kyunggi-do, 1998—1999.
Assistant professor Sejong University, Seoul, 1999—2002, associate professor, since 2002.
Member of Bio-chemical Society Korea, Korean Society Molecular and Cellular Biology, Korean Society Medical Biochemistry and Molecular Biology, American Society Biochemistry and Molecular Biology.
Married Chung-Ja Han. Children: Gee-Soo, Hoe-Soo.