Assistant United States attorney for District of Columbia United States Department Justice, 1962-1967. Staff attorney National Commission Reform of Federal Criminal Laws, Washington, 1967-1968. Private practice law, 1968-1969.
Chief appellate division United States Attorney' General’ s Office for District of Columbia United States Department Justice, 1969-1982. Judge District of Columbia Court Appeals, 1982—2006, senior judge, since 2006.