John Kotter

John Kotter is a distinguished figure in the realms of leadership and change, serving as the recognized expert in these fields at Harvard Business School. He boasts an impressive portfolio of eleven books, many of which have received accolades or achieved bestseller status within the business community. Beyond his literary contributions, Professor Kotter is a sought-after speaker, delivering speeches and conducting seminars both at Harvard and on a global scale. He calls Cambridge, Massachusetts, home, alongside his wife Nancy Dearman and their children, Caroline and Jonathan.

Holger Rathgeber, on the other hand, is a contemporary leader in the corporate world, employed by Beckton Dickinson, a prominent medical technology company. He initially embarked on his professional journey in Asia and hails from Frankfurt. Since 2004, Rathgeber has been residing in White Plains, New York, alongside his wife Jutta and their sons, Daniel and Benny.