Sonny Popowsky served as the consumer advocate of Pennsylvania for twenty-two years from 1990 to 2012, starting his career as an assistant consumer advocate in 1979. He served as the President of the National Association of State Utility Consumer Advocates (NASUCA) from 1996 to 1998, and also served on the Board of Trustees of the North American Electric Reliability Council (NERC) from 1997 to 2001, as Vice Chair of the United States Department of Energy Electricity Advisory Council from 2012 to 2016, and on the Advisory Council of the Electric Power Research Institute (EPRI) from 2014 to 2019. He currently serves as Chair of the City of Philadelphia Water, Sewer and Storm Water Rate Board and as a member of the Advisory Board of the Kleinman Center for Energy Policy at the University of Pennsylvania, and on the Boards of Directors of the Energy Coordinating Agency, the Sustainable Energy Fund, and Regional Housing Legal Services. Mr. Popowsky graduated Cum Laude from Yale University and received his J.D. Cum Laude from the University of Pennsylvania.