James M. Kouzes and Barry Z. Posner, Ph.D., are the coauthors of A Leader’s Legacy, Credibility, Encouraging the Heart and The Leadership Challenge Workbook, and have developed the Leadership Practices Inventory (LPI) and LPI Online, 360-degree assessment tools based on The Five Practices of Exemplary Leadership™. James Kouzes is Dean’s Executive Professor of Leadership at the Leavey School of Business at Santa Clara University, and Barry Posner is Dean of the Leavey School of Business at Santa Clara University and Professor of Leadership. They can be reached via their Web site at www.leadershipchallenge.com.