Ronald E. Riggio, Ph.D., is the Henry R. Kravis Professor of Leadership and Organizational Psychology and former Director of the Kravis Leadership Institute at Claremont McKenna College. Professor Riggio is the author of over 100 books, book chapters, and research articles in the areas of leadership, assessment centers, organizational psychology and social psychology. His most recent books are Leadership Studies (Elgar, 2011), The Art of Followership and The Practice of Leadership (Jossey-Bass, 2008, 2007), Applications of Nonverbal Behavior (co-edited with Robert S. Feldman; Erlbaum, 2005), and Transformational Leadership (2nd ed.), coauthored with Bernard M. Bass (Erlbaum, 2006). Professor Riggio is an Associate Editor of The Leadership Quarterly, and is on the Editorial Boards of Leadership, Leadership Review, Group Dynamics, and the Journal of Nonverbal Behavior, and he was the originator of the Shoptalk column at the Los Angeles Times, a Q&A column dealing with workplace problems/issues.