Hyung Sik Kim, Ph.D., Professor in the Division of Toxicology, College of Pharmacy, Sungkyunkwan University, South Korea. He received his M.S.on Feb. 25, 1991, from the College of Pharmacy, Sungkyunkwan University, Korea. He came to Dr. Byung Mu Lee’s lab upon finishing graduate courses at the College of Pharmacy, Sungkyunkwan University. He spent five years in this lab during Ph.D. courses. He observed the correlation between chemical carcinogenesis and DNA-adduct formation during his Ph.D. period. He did excellent work during his graduate research studies by applying his analytical expertise to studies on the cancer chemopreventive effects of plant polysaccharides on biomarkers associated with multistage carcinogenesis. He has published 400 papers that have been of enormous value to scientists working with various pharmacology and toxicological research.