Werner Hans Erhard is an author of transformational models and applications for individuals, groups, and organizations. He is currently writing about integrity, performance and leadership and has lectured at Harvard, Yale, USC, the University of Rochester and Rotterdam School of Management
Erhard was first known for "The est Training" and "The Forum", which were offered to the public through the companies Erhard Seminars Training Inc., est, an educational corporation, and Werner Erhard & Associates. Erhard, along with John Denver, Robert W. Fuller, and others, founded The Hunger Project in 1977.
In 1991, Erhard retired from business, sold his then-existing intellectual property to a group of his former employees.