- Der moderne Kunde – das PHANTOM: Kunden auf der Flucht: Wie der Vertrieb auf ein radikal neues Kaufverhalten reagieren muss (Edition Sales Excellence)
- AI - The new intelligence in sales: Tools, applications and potentials of Artificial Intelligence
- The Modern Customer – the PHANTOM: Customers on the Run: How Sales must Respond to Radically New Buying Behavior
- Digital Transformation in Sales: How to Turn a Buzzword into Real Sales Practice – A 21-Step Guide
- Digital Transformation in Sales: How to Turn a Buzzword Into Real Sales Practice - A 21-Step Guide







