Academic Credentials
  • Ph.D., Toxicology, University of Michigan, Ann Arbor, 2014
  • B.A., Molecular biology, Wesleyan University, 2009
Professional Honors
  • US EPA Administrator’s 32nd Annual Small Business Award, 2022
  • Diplomate of the American Board of Toxicology (DABT), 2018
  • US Presidential Management Fellowship, 2016-2018
Professional Affiliations
  • Society of Toxicology (SOT), 2011- present
  • American Public Health Association (APHA), 2015-2017
  • International Society of Environmental Epidemiology (ISEE), 2011, 2015-2016

Dr. Nahar is a Board-Certified Toxicologist (DABT) with over 9 years of government experience, specifically in the field of toxicology, industrial chemicals, and product stewardship. She has supported existing and new chemical risk evaluations (such as PMNs and LVEs) under the US EPA's Toxic Substances Control Act, and hazard and alternatives assessments under the US EPA's Pollution Prevention Act.

Prior to joining Exponent, Dr. Nahar managed the Safer Chemical Ingredient List (SCIL) for the US EPA Safer Choice certification program and led updates to the standard and human & environmental health criteria. In her role, she reviewed chemical formulations, product performance, and packaging for industrial/consumer products in the cleaning sector. She also leveraged SCIL and toxicological tools (such as read-across, QSAR, ToxCast) to support the designation of 20 Low-Priority Substances under TSCA.

Dr. Nahar's academic training is in children's environmental health and developmental origins of adult disease. Her doctoral training focused on prenatal exposures to endocrine disruptors (BPA, phthalates) and their effects on the epigenome and developmental programming of metabolizing enzymes.