Started on staff: 1994
B.A., University of Wisconsin-Madison
As executive director, David spearheads the issue advocacy, civic engagement campaigns, and long-term organizational building for PennEnvironment. He also oversees PennPIRG and other organizations within The Public Interest Network that are engaged in social change across Pennsylvania. David’s areas of expertise include fracking, global warming, environmental enforcement and litigation, and clean energy and land use policy in Pennsylvania. David has served on the environmental transition teams for Gov. Tom Wolf and Philadelphia Mayor Jim Kenney, and been named one of Pennsylvania’s “40 under 40” environmentalists by the Pennsylvania Environmental Council. 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 citizen suit penalty under the federal Clean Air Act in state history. David lives in South Philadelphia with his family.