Psychologist (University diploma)
born 1951 in Helmstedt (Lower-Saxony), married, 2 children
Vocational training and work for an Insurance Company
University entrance qualification at Wolfsburg College for Adult Education
Studied Psychology and Philosophy at the Technical Universities of Braunschweig and Berlin
Self-employed as trainer and consultant since 1985
Managing Partner of Hellge & Siebner since 1997
Psychologist (University diploma)
born 1956 in Berlin, married, 1 child
Studied Psychology and Philosophy at the Freie Universität Berlin and worked there as Research Associate
Managing Director of Timmermann Unternehmensberatung GmbH, Berlin
Self-employed as trainer and consultant since 1984
Managing Partner of Hellge & Siebner since 1997