Mar.2002 ~ present : Department of Chemistry Hanyang University, Seoul, Korea Nov.2000 ~ Feb. 2002 : ABB Bomem, Quebec City, Canada Asia-Pacific Region Technical Manager Jan. 1995 ~ Oct. 2000 : SK Corporation (former Yukong), Ulsan, Korea Senior Research Scientist Aug. 1990 ~ Dec. 1994: Ph. D. in Analytical Chemistry, Department of Chemistry, The University of Iowa Iowa City, Iowa, USA Advisor: Professor Mark A. Arnold Mar. 1985 ~ Feb. 1989: B.S. in Chemistry Department of Chemistry, Hanyang University Seoul, Korea