About the Extramural Research and Training Division | National Institute of Environmental Health Sciences Skip Navigation About the Extramural Research and Training Division Close the left navigation Add The Division of Extramural Research and Training plans, directs and evaluates the institute's grant program which supports research and research training in environmental health. It develops program priorities and recommends funding levels to assure maximum utilization of available resources in attainment of institute objectives. Through cooperative relationships with NIH and with public and private institutions and organizations, the Division maintains an awareness of national research efforts and assesses the need for research and research training in environmental health. Division Director David Balshaw, Ph.D. Deputy Director Ashley Vargas, Ph.D. Exposure, Response, and Technology Branch Sri Nadadur, Ph.D. Genes, Environment, and Health Branch Cindy Lawler, Ph.D. Grants Management Branch Jenny L. Greer Hazardous Substances Research Branch Michelle L. Heacock, Ph.D. Population Health Branch Claudia Thompson, Ph.D. Worker Education and Training Branch Sharon D. Beard, M.S. Back to Top Last Reviewed: January 05, 2026