Rolf Balling, Graduate in business administration (University of Cologne) with a focus on social psychology, 7 years in management functions (marketing/controlling) at Alcatel-SEL AG, then 10 years as head of the management training and organisational development department in the same group, training in transactional analysis to become a teaching transactional analyst in the field of organisation (12 years part-time), training in group dynamics (2 years part-time), training in systemic consulting (7 years part-time); From 1990 to 2002, development of PROFESSIO GmbH, academy in the field of human resources, as teaching trainer and managing partner.