Assistant attorney general Illinois Attorney General' General’ s Office, Chicago, 1958-1959. Assistant United States attorney Department of Justice, 1959-1961, appellate trial attorney Tax Division, Washington, 1961-1967. Deputy tax counsel General Electric, New York City, 1967-1970.
Legal advisor National Institutes of Health, Department of Health, Washington, 1971-1972, deputy general counsel, 1972-1977. Special counsel to associate commissioner Office of Hearings and Appeal, Social Security Administration, Arlington, Virginia, 1977-1980, deputy chairman appeals council Office of Hearings and Appeals, 1980-1988, chief administrative law judge Hearing Office, Washington, 1988-1997, administrative law judge, 1997—2004.