Robert J. Whetten (born April 12, 1943) is an American scholar specializing in organizational behavior, leadership development, and public policy. He is best known for his contributions to leadership education, co-authoring influential textbooks such as 'Leadership: Theory and Practice.' His work bridges theory and practice, shaping management training worldwide. Whetten has held academic positions at several universities, including Brigham Young University and Arizona State University, where he taught and led curriculum innovations. His research focuses on organizational change, team dynamics, and cross-cultural leadership. He remains a respected figure in the field of leadership studies.