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Kommunizieren
&   Entscheiden

analytisch  systemisch  konstruktiv

 
     Foto: Paulus Ponizak

Jakob A. Bertzbach
Analyst, Coach, and Docent, M.A. M.A.
Coordinator for Communicating & Deciding
Tel. +49 (0)30 896 445 05, Berlin
jbertzbach@yahoo.com
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 Associate of Rational Games since 2006