Chairman, board directors Greater Houston Hospital Council Research and Education Foundation, since 1985. Captain United States Army, 1965-1970, Vietnam. Fellow American College Healthcare Executives (governor 1990-1994).
Member American Hospital Association (chairman 1993, speaker House Delegates 1994), Healthcare Executives Study Society, Association University Programs in Health Administration, Association American Medical Colleges (various committees council on teaching hospitals), Texas Hospital Association (trustee 1984-1990, chairman 1988-1989), Washington University alumni Association (president 1988-1990), Houston Chamber of Commerce C., Greater Houston Hospital Council (chairman board directors 1983-1984), Petroleum Club, Ramada Club, Drs. Club, Harvard Business (board directors 1986-1987), Houston City.