Vice president, designer Reserve Special Effects, Minneapolis, 1982-1983. President, designer Karen Heddens Designs, since 1979. Set designer, Minneapolis College Art and Design, 1976, costume designer Shiek's Restaurant, Minneapolis, 1979.
Consultant, designer Golden Needle, Edina, 1980, illustrated, American Home Sew Association, 1981-1982. Coordination, illustrated Minneapolis Society Fine Arts Rosefete, 1984.
Participating designer in various fashion shows.
Member National Association of Female Executives, Professor Clothing Designers Minneapolis College Art and Design Alumni.