Partner firm Allard, Shelton & O'Connor, Pomona, California, 1959-1969. Judge Municipal Court, Pomona Judicial District, 1969-1970, Los Angeles Superior Court, 1970-1977. Partner firm Nossaman, Krueger & Marsh, Los Angeles, 1977-1981, Sidley & Austin, Los Angeles, 1981-1993.
Associate justice California Court 2nd District Court of Appea district, division 4), Los Angeles, 1993-1995, presiding justice, since 1995.
Served with United States Navy, 1955-1956. Fellow American Bar Foundation, American College Trial Lawyers. Member Los Angeles County Bar Association (trustee 1980-1982, president 1985-1986), University of California at Los Angeles Law Alumni Association (president 1977), Association Business Trial Lawyers (president 1984-1985), State Bar California (board governors since 1987, president 1990-1991).