Dr. John Newsted holds a PhD from the Michigan State University. He has over 20 years of experience in aquatic ecology, environmental toxicology and ecological risk assessment. He has studied the effects of endocrine disruptors at the molecular, biochemical, organismal and population level in aquatic species. Currently his work has centered on emerging chemicals of concern, specifically per- and polyfluoroalkyl substances (PFAS). Much of this work concern understanding the fate, transport and ecotoxicological effects of perfluorooctane sulfonate (PFOS) in aquatic and terrestrial ecosystems. Dr. Newsted has published over 90 peer reviewed articles and numerous reports and abstracts.