Dr. Kim Boekelheide is Professor of Medical Sciences in the Department of Pathology and Laboratory Medicine at Brown University. His research examines fundamental molecular mechanisms by which environmental and occupational toxicants induce testicular injury. Current projects include the study of co-exposure synergy using model testicular toxicants and the effects of in utero endocrine disruptor exposure on steroidogenesis and a predisposition to cancer. He is Director of the Brown University Superfund Basic Research Program. Dr. Boekelheide has served on various NRC committees, including the Committee on Toxicity Testing and Assessment of Environmental Agents (which produced Toxicity Testing in the 21st Century), the NAS Subcommittee on Fluoride in Drinking Water, and the Committee on Gender Differences in Susceptibility to Environmental Factors: A Priority Assessment. He is a past Councilor of the Society of Toxicology, a past member of the Board of Scientific Counselors of the National Toxicology Program, and has been a member of various expert panels (bisphenol A, phthalates, bromopropanes) of the National Toxicology Program Center for the Evaluation of Risks to Human Reproduction. Dr. Boekelheide received his M.D. and Ph.D. in Pathology from Duke University.