Rainer Krumm, managing director of the 9 Levels Institute for ValueSystems and axiocon GmbH, is a management trainer, consultant,coach, and author. He has advised international companies, managers, and teams in over 23 countries. He is considered one of the most experienced consultants and trainers in the field of corporate culture and change management-based on the developmental psychology of Prof. Clare W. Graves. With the9 levels he has developed an analysis tool that makes value systems tangible and measurable.
Sonja Wittig is managing director of 9 Levels Germany and co-owner of the Institute for Personality. As a trainer, systemic coach, team developer, and consultant with many years of experience in HR management, she supports individuals, teams, and organizations in achieving their goals with values-based interventions and also trains others to use the 9 levels.