Received a B.A. in Chemistry from Princeton in 1970 and J.D. at University of Wisconsin in 1973. Served as staff attorney and executive director of the New Jersey Public Interest Research Group, 1974-83. Currently serving, since 1983, as general counsel to the New Jersey Public Interest Research Group. Founding director of the Rutgers University Law School Environmental Law Clinic, 1985-2000. Professor Lectured on environmental legal issues at Judicial College for New Jersey judges, on citizen suit litigation at the Practicing Law Institute and ALI/ABA, and on numerous environmental courses for the practicing bar at the New Jersey Institute for Legal Education. Co-founder and co-director of the Eastern Environmental Law Center. Member, New Jersey Pinelands Commission, 2002-present. Member of the Litigation Review Committee of Environmental Defense 1991-present. Served as member, New Jersey Supreme Court Committee on Environmental Litigation; conferee, Governor's Conference on Electricity Policy, Planning and Regulation; and chairman, board of directors, New Jersey Environmental Voters' Alliance, 1983-87. Testified before the U.S. Senate and House of Representatives committees on environmental enforcement.