1981 B.S., Dept. of Microbiology, Seoul National University
1983 M.S., Dept. of Microbiology, Seoul National University
1990 Ph.D., Faculty of Medicine, University of Calcary
1991-1993 Postdoc, Harvard Medical School
1993-2003 Professor, Dept. of Microbiology, Hannam University
2004- Professor, Dept. of Biological Science, Sungkyungkwan University