Graduated Psychologist with a Focus on Diagnostic and Work and Organisational Psychology. Educated and graduated at the Universities of Mannheim, Berkeley and Bochum. Specialized in Management-Diagnostic / Management-Audits, since more than twenty years. Was a partner and member of the senior management of the Kienbaum Consulting GmbH, before founding his own business. His manual ‚Assessment Center‘ is meanwhile in the fifth revised edition. He built up the study path ‚Business Psychology‘ at the Rheinische Fachhochschule Köln and teaches as a professor since 2009. He is also certificated according to DIN 33430.