John Kotter SUCCESSNotes: Leading Change, Accelerate, Our Iceberg Is Melting, And The Heart of Change

"Regarded by many as the authority on leadership and change, Dr. John P. Kotter is a New York Times best-selling author, award winning business and management thought leader, business entrepreneur, inspirational speaker, and Harvard Professor. His ideas and books, as well as his company, Kotter International, have helped mobilize people around the world to better lead organizations and their own lives, in an era of increasingly rapid change." - http://www.kotterinternational.com