Elizabeth J. Callahan is an Environmental Analyst with the Massachusetts Department of Environmental Protection. She has more than sixteen years of experience with in the agency's Bureau of Waste Site Cleanup, where she has managed state funded cleanups of hazardous waste sites and more recently served as the Bureau's policy branch chief, overseeing the development of regulations and guidance for Massachusetts' redesigned site cleanup program. Elizabeth currently coordinates the Massachusetts Lead Shot Initiative, a partnership with the shooting sports community that provides assistance to private and public range managers with implementing Best Management Practices to address environmental issues at shooting ranges. Elizabeth has a B.A. in Biology from Wellesley College and a Masters in Public Policy from Harvard University Kennedy School of Government.