About Us

Margaret Whittaker

Managing Director and Chief Toxicologist, ToxServices

Margaret Whittaker

Dr. Whittaker has over seventeen years of experience in both the performance and management of toxicology and human health hazard and risk assessment-related projects.  She is currently the Managing Director and Chief Toxicologist of ToxServices LLC, where she serves as the project manager and technical lead of ToxServices projects for the United States Environmental Protection Agency, Clean Production Action, international certification organizations, testing laboratories, and consumer products companies that manufacture and test products such as cleaning chemicals, fragrance agents, cosmetics, dietary supplements, food additives, medical devices, pharmaceuticals, drinking water additives, and drinking water system components.  As project manager and technical lead for contracts with these organizations, Dr. Whittaker has contributed to and/or managed the development of 500 human health risk assessments, as well as hundreds of product-specific toxicology evaluations and hazard-based alternative assessments. 

Dr. Whittaker is a Diplomate of the American Board of Toxicology who earned a Ph.D. in Toxicology from The University of Maryland, Baltimore and an M.P.H. in Environmental Health from The University of Michigan.  Dr. Whittaker is a U.K./Eurotox Registered Toxicologist, as well as a Chartered Biologist and Fellow of the U.K. Society of Biology.  Dr. Whittaker has built her career on a foundation grounded in leadership and adherence to details and timelines.  One of her first career awards (1992) was a United States Coast Guard Commandant’s Award for Outstanding Civilian Service, where her “alacrity and tenacity” displayed while working on projects associated with the Oil Pollution Act of 1990 were officially recognized.  In addition to her extensive program management experience, Dr. Whittaker has extensive technical experience in hazard identification and non-cancer and cancer dose-response assessment, including quantitative risk assessment (e.g., benchmark dose modeling for both carcinogens and non-carcinogens), and predictive toxicology modeling.

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