Leasing associate John Madden Company, Englewood, Colorado, 1977-1979. Owner, director Cynthia Madden Galleries, Denver, 1979-1982. Director The Museum Outdoor Arts, Englewood, 1982-1986, president, since 1986.
Director John Madden Company, Englewood, since 1987. Advisor Colorado Business Committee for the Arts, Englewood, since 1986. Honorary director National Museum Women in the Arts, Denver, since 1988.