ผู้เขียน: Björn Ivens

Emeritus Prof. Hermann Diller taught marketing at the University of Erlangen&Nuremberg. Prof. Markus Beinert teaches marketing for capital goods at the Weihenstephan-Triesdorf University of Applied Sciences. Prof. Björn Ivens holds the Chair of Sales and Marketing at the University of Bamberg. Prof. Steffen Müller heads the Behavioural Management Department at the ZHAW School of Management and Law in Winterthur.