James O'Toole is research professor in the Center for Effective Organizations at the University of Southern California and Mortimer J. Adler Senior Fellow of the Aspen Institute. He has written 14 books, the most recent being Leadership Z. He lives in San Francisco, California.Walter Isaacson, the president of the Aspen Institute, has been the chairman of CNN and the managing editor of Time magazine. He is the author of the New York Times bestseller Benjamin Franklin.