Elizabeth Pinchot and her husband, Gifford Pinchot have started and run four companies together, consulted to and trained executives of more than half of the 100 largest companies in the United States and many abroad, including AT&T, Banco de Brasil, the Canadian National Railroad, DuPont, Ford, Hoechst Celenese, Kodak, Motorola, the New York Stock Exchange, 3M, and the U.S. Forest Service. They have also led school and community reform projects, and collaborated in the writing of their influential book, Intrapreneuring. Elizabeth and Gifford Pinchot are also coauthors of The Intelligent Organizaiton.