Dr. Yourick is the Chief of the Developmental Reproductive Toxicology and Immunotoxicology Branch in FDA’s Center for Food Safety and Applied Nutrition (CFSAN). Dr. Yourick completed his Ph.D. in Pharmacology and Toxicology at the University of Kansas. His current focus is on toxicology research and safety assessment of chemical contaminants in foods, dietary supplements and cosmetics. Previously, he was the Senior Science and Technology Manager at the Defense Threat Reduction Agency (DTRA) for the Department of Defense in the Joint Science and Technology Office (JSTO), Chemical and Biological Technologies Directorate (DTRA CB). He managed an extensive scientific research portfolio related to the development of chemical and radiological medical countermeasures. Prior to DTRA, Dr. Yourick was a Research Toxicologist for 15 years at the FDA where his research interests pertained to skin absorption and metabolism of cosmetic ingredients and color additives. Dr. Yourick was a Research Pharmacologist at the US Army Medical Research Institute of Chemical Defense (USAMRICD) before joining the FDA. He was involved in investigating the biochemical mechanisms of sulfur mustard injury to the skin and lung. Dr. Yourick is a Diplomate of the American Board of Toxicology and a Fellow of the Academy of Toxicological Sciences. Dr. Yourick has served as both a Councilor and President of the Dermal Toxicology Specialty Section of SOT and the Association of Government Toxicologists. He is on the editorial board for the journal, Regulatory Toxicology and Pharmacology. He has published extensively in the areas of dermal toxicology and chemical warfare agents.