Party affiliation: Democrat
James Vincent Siena, American lawyer. Bar: District of Columbia 1962, California 1976. Board directors American Civil Liberties Union, Washington, 1963-1967, Sierra Club Legal Defense Fund, 1972-1977, International Institute Strategic Studies, 1981-1988. Served with United States Marine Corps Reserve, 1955-1958. Member California Bar Association, District of Columbia Bar Association.
Associate Covington & Burling, Washington, 1961-1967. Deputy undersecretary Army for international affairs, 1967-1969. Legal advisory to president Stanford University, 1970-1977.
Deputy assistant secretary Defense for European and North Atlantic Treaty Organization affairs Department Defense, Washington, 1977-1981. Partner Davis Simpich & Siena, 1981-1988. Consultant Office of Economic Opportunity, 1964-1965.