With Taylor, Miller, Magner, Sprowl & Hutchings Firm, 1946—1955. Private practice Elgin, Illinois, 1957—1958, Elmhurst, 1980—1981, Oak Brook, since 1986. Assistant counsel Jewel Companies Insurance, Melrose Park, 1958—1967, insurance attorney, 1967—1971, senior attorney, 1971—1972, general attorney, 1972—1974.
Vice president regulatory research & planning Jewel Food Stores Division, 1974—1980, general counsel, 1975—1980. Of counsel Law Offices of Francis M. Discipio, 1988—1995, Law Offices Francis J. Discipio, since 1995. Member Industrial Commission State Illinois, Chicago, 1981—1986.
Member Governor's Agreed Bill Process Committee Workers' Compensation, Illinois, 1979—1981. With United States Army, 1955-1957.
Member of Illinois State Chamber of Commerce (chairman workers compensation committee 1973-1978), American National Metric Council (chairman retailers sector, vice-chairman legal advisory committee 1978-1980), Food Marketing Institute (chairman metric committee 1978-1980), Dupage County Estate Planning Council, Workers Compensation Lawyers Association, DuPage County Bar Association, Chicago Bar Association (chairman food, drug & consumer product safety committee 1975-1976), Illinois Bar Association (chairman insurance program committee 1971-1973).