John P. Kotter, world-renowned expert on leadership, is the author of many books, including "Leading Change, Our Iceberg is Melting", and "The Heart of Change". He is the Konosuke Matsushita Professor of Leadership, Emeritus at the Harvard Business School, and a graduate of MIT and Harvard. He is co-founder of Kotter International, a leadership organization that helps Global 5000 company leaders develop the skills to lead change. He and his wife Nancy live in Cambridge, Massachusetts.