As executive director, David spearheads the issue advocacy, civic engagement campaigns, and long-term organizational building for one of Pennsylvania's largest citizen-based environmental groups, PennEnvironment. David’s areas of expertise include fracking, global warming, environmental enforcement and litigation, and clean energy and land use policy in Pennsylvania. Under David’s leadership, PennEnvironment has won the two largest citizen suit penalties in Pennsylvania history against illegal polluters under the federal Clean Water Act and the largest citizne suit penalty against an illegal polluter in Pennsylvania under the federal Clean Air Act. David lives in South Philadelphia with his family, where they’re involved in their local elementary school, community garden and civic association.