Adjunct Professor, New Jersey Institute of Technology, 1983—. Member, New Jersey Senate, 1971-1972. Assistant Counsel, New Jersey Senate, 1972-1974. Legislative Counsel, Governor of New Jersey, 1974-1979. Commissioner: New Jersey Department of Environmental Protection, 1979-1982; Commissioner, Port Authority of New York and New Jersey, 1979-1988. Associate Editor and Member, Editorial Board, New Jersey Law Journal, 1979—. Member: Board of Trustees, Regional Plan Association, 1987—; Harvard Law School Alumni Leadership Council, 2000—; Committee on Chemical Events, National Academy of Science, 2000—; Board of Visitors, NJIT College of Science and Liberal Arts, 2002—. Principal, Council on Excellence in Government. Trustee, Harvard Law School Association of New Jersey. Trustee Association of Federal District Court of New Jersey. Life Fellow, American Bar Foundation. Master, Environmental Inn of Court, 2004—.