CSR Staff


Ellen Mantus, Ph.D, Scholar

Jessica Wolfman, Research Assistant

Kesiah Clement, Program Assistant

Dr. Ellen Mantus is a Scholar and Director of Risk Assessment on the Board on Environmental Studies and Toxicology at the National Academies of Sciences, Engineering, and Medicine with over 20 years of experience in the fields of toxicology and risk assessment. She has served as the study director on numerous projects, including ones that have assessed the health implications of various chemical exposures, developed strategies for applying modern scientific approaches in toxicology and risk assessment, provided guidance to federal agencies on risk-based decision-making, and evaluated barriers to deployment of electric vehicles and associated charging infrastructure. Before joining the National Academies, Dr. Mantus was a project manager with ICF Consulting where she served as a primary reviewer for numerous toxicological studies and provided risk assessment and regulatory support on a wide array of projects.  Dr. Mantus received a PhD in chemistry from Cornell University in Ithaca, NY.

Ms. Jessica Wolfman is a Research Assistant for the Board on Chemical Sciences and Technology. She joined the Academies in August of 2017 as a Senior Program Assistant for both BCST and the Board on Environmental Studies and Toxicology. Jessica graduated Phi Beta Kappa from Dickinson College in May of 2017 with a Bachelor of Science in Earth Sciences and a minor in Mathematics.

Ms. Kesiah Clement is a program assistant for the Board on Chemical Sciences and Technology. She joined the BCST staff in July, 2019. In May 2019, Kesiah graduated from Georgetown University’s School of Foreign Service with a B.S. in Science, Technology, and International Affairs focusing on global environmental health.