Sole practice, Dearborn, Michigan, 1954—1955. Assistant Corporate Counsel City of Dearborn, 1955—1958, Corporate Counsel, 1958—1969. Chief assistant United States Attorney' General’ s Office (eastern district), Detroit and Michigan, 1968—1970, United States Attorney, 1970—1976.
Judge United States District Court (eastern district) Michigan, Ann Arbor, 1976—1985, United States Court Appeals (6th circuit), Ann Arbor, 1985—1994, senior judge, since 1994. Treasurer Detroit-Wayne County Building Authority, 1966—1973. Chairman school study committee Dearborn Board Education, 1973.
Member Federal Executive Board, since 1970, board directors, 1971—1973.
Member of Federal Bar Association (president 1974-1975), American Bar Association (state chairman section local government 1965-1970), Cincinnati Bar Association, Out-County Supervisors Association (president 1965), Michigan Municipal League, Michigan Association Municipal Attorneys 1962-1964, National Institute Municipal Law Officers (chairman Michigan chapter 1964-1969), American Judicature Society, Dearborn Bar Association (president 1959-1960), Detroit Bar Association, State Bar Michigan (commissioner since 1975), University Michigan Alumni Club (local president Dearborn 1961-1962), Rotary (local president 1973-1974), Lambda Chi Alpha, Phi Alpha Delta.