Mr Brownstein leads EDF’s work on the oil and gas industry with particular focus on methane emissions and the risks to public health and environment associated with unconventional oil and gas development. In addition, he specializes in a variety of electric and gas utility-related policy and regulatory issues. Prior to joining EDF, Mr Brownstein held a variety of business strategy and environmental management positions within Public Service Enterprise Group (PSEG), one of the largest electric and gas utility holding companies in the United States. Mr Brownstein’s career includes time as an attorney in private environmental practice, an air quality regulator with the New Jersey Department of Environmental Protection, and an aide to a member of the US House of Representatives. Mr Brownstein is a member of the Electric Power Research Institute’s Public Advisory Board, the University of Pennsylvania’s Kleinman Center for Energy Policy Advisory Board, and the Keystone Center Energy Board. Mr Brownstein is an adjunct professor of law at New York University Law School where he co- teaches a seminar on public policy and energy project finance. He has also taught energy policy at Columbia University’s School of International and Public Affairs (SIPA).