Ralf T. Kreutzer is a Professor of Marketing at the Berlin School of Economics and Law (Berlin, Germany). He was previously a Bertelsmann manager, and later a managing director at Volkswagen and Deutsche Post/DHL. He is also an active consultant, coach and trainer. Apart from research publications, he has published more than 50 books on marketing and management topics. 

Chapter 1. The world in transition.- Chapter 2. Analysis and design of a digital business performance.- Chapter 3. Eight fields of action for building digital excellence.- Chapter 4. Change management - shaping change processes successfully.