B.Sc. 1993, Dept. of Chemistry, Seoul National University, Seoul, Korea Ph.D. 2001, Dept of Chemistry, University of Toronto, Canada Supervisor: Prof. John C. Polanyi Postdoc, 2003, Dept. of Chemistry and Chemical Biology, Cornell Univ., USA Supervisor: Prof. Fred W. McLafferty Professor, 2003-present: Sogang University, Dept. of Chemistry, Seoul, Korea