All articles by Sabrina Völkel

ProvenExpert user interview: Anja Entenmann, managing director of Entenmann car dealers, on the power of aggregated feedback and effective referral marketing using ProvenExpert

10 comments Sabrina Völkel 03/05/2018

ProvenExpert user interview: keynote speaker and startup coach Felix Thönnessen from „Die Höhle der Löwen“ („Shark Tank“) on the importance of positive reputations.

12 comments Sabrina Völkel 09/12/2017

ProvenExpert user interview: Structogram trainer and coach Jörg Weitz shares his secrets to success.

84 comments Sabrina Völkel 08/03/2017
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