Authors Michael Lewrick, Larry Leifer, and Jean-Paul Thommen are leading design thinking experts in the U.S., Europe, and Asia. Michael Lewrick, Ph.D., is a featured speaker and teaches design thinking at various universities. With Leifer, Lewrick co-authored the international bestseller The Design Thinking Playbook as well as The Design Thinking Toolbox. Stanford Professor Larry Leifer, Ph.D., is one of the most influential personalities and pioneers in design thinking. Professor Jean-Paul Thommen, Ph.D., from the University of Zurich, is an expert on leadership, organizational development, and business ethics.