Organization Global Green

U.S. Department of Justice (attorney, 1964-1965)

U.S. Department of the Interior (special asst. to the solicitor, 1965-1967)

Coudert Brothers (senor counsel, international law firm)

U.S. Commission on National Security/21st Century (co-chair, 1998-2001, also known as National Commission on Terrorism)

Council for a Livable World (chairman)

Council on Foreign Relations (member)