John Kotter is a management thought leader, a Harvard Professor and a New York Times best-selling author of twenty books that have been published in over 150 languages. Viewed by many as the authority on leadership and change, his books include Leading Change, A Sense of Urgency and Accelerate.
Holger Rathgeber is an author and a global manager. Originally from Frankfurt, Germany, he now lives in New York, where he works for Beckton Dickinson – a leading medical technology company. He has co-authored two books with John Kotter: Our Iceberg is Melting and That’s Not How We Do It Here!