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CSR Staff


Teresa Fryberger, Ph.D, Board Director

Ellen Mantus, Ph.D, Scholar

Jarrett Nguyen, Senior Program Assistant

Dr. Teresa Fryberger came to the Academies in 2013 to serve as Director of the Board on Chemical Sciences and Technology.  She became Director of the Board on Environmental Studies and Toxicology in January, 2017.  She is an accomplished research program and policy manager in the chemical, environmental, and energy sciences, with experience at NASA, the White House Office of Science and Technology Policy, the Department of Energy and the Brookhaven and Pacific Northwest National Laboratories. Earlier in her career, Dr. Fryberger was an associate editor at Science and a National Research Council Postdoctoral Fellow at the National Institute for Science and Technology. Dr. Fryberger earned her Ph.D. in Physical Chemistry from Northwestern University and her B.S. in Chemistry from the University of Oklahoma.

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.

Mr. Jarrett Nguyen is a Senior Program Assistant for the Board on Chemical Sciences and Technology. Jarrett began working for the National Academy of Sciences, Engineering, and Medicine in October of 2016. He graduated from James Madison University in May of 2015 with a Bachelor of Science degree in Geology and Environmental Science with a minor in Geographic Science.



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