Jens Corssen, psychologist and behavioural therapist, is one of the most successful trainers for personality development and goal attainment. Amongst his clients are numerous German DAX companies and top sportsmen.
Stefan Gröner, former top media manager and national handball professional, is one of the most successful German change managers and lecturers. As a professor, he teachers corporate strategy and communication.
Stephanie Ehrenschwendner has worked in leading positions in the publishing world for many years and today works as an author and publishing advisor.