David L. Bradford is senior lecturer in organizational behavior in the Graduate School of Business at Stanford University and the dean of the Stanford Executive Program on Leadership. Bradford is the coauthor of the bestselling books Managing for Excellence, Influence Without Authority, and Power Up, all from Jossey-Bass.

W. Warner Burke is the Edward Lee Thorndike Professor of Psychology and Education and coordinator for the graduate programs in social-organizational psychology in the Department of Organization and Leadership at Teachers College, Columbia University in New York City. He is the author, coauthor, editor, or coeditor of fourteen books and the winner of numerous awards including The Lippitt Memorial Award, from the American Society for Training and Development.