Keenan, John Fontaine Born 1929 in New York, NY Federal Judicial Service: Judge, U.S. District Court, Southern District of New York Nominated by Ronald Reagan on September 13, 1983, to a seat vacated by Lloyd F. MacMahon. Confirmed by the Senate on September 20, 1983, and received commission on September 20, 1983. Assumed senior status on December 31, 1996. Education: Manhattan College, B.B.A., 1951 Fordham University School of Law, LL.B., 1954 Professional Career: U.S. Army, 1954-1956 Private practice, New York City, 1956 Assistant district attorney, New York County, New York, 1956-1976; in charge of Supreme Court Bureau, 1968-1969; in charge of Homicide Bureau, 1970-1973; administrative assistant district attorney in charge of trials, 1974;    chief assistant district attorney, 1974-1976 Chief assistant district attorney, Queen's County, New York, 1973 Deputy attorney general/special prosecutor of corruption, State of New York, 1976-1979 Chairman/president, New York City Off-Track Betting Corporation, 1979-1982 Criminal justice coordinator, New York City, 1982-1983