Denis Janzen has extensive experience in product and project management, currently holding positions as INTERIMmanager, PRODUCTmanager, and PROJECTmanager at ProConJa GmbH since 2011. In addition, Denis Janzen serves as an Account Engineer at Uffective / European Center for Digital Transformation and is involved in Innovation Management at E.ON, both roles established in 2019. Previous experience includes senior roles at Vodafone as Interim Senior Product Manager and International Senior Project Manager from 2010 to 2019, and positions in product management at Telefonica o2 Germany PS, SEVEN PRINCIPLES AG, Telefónica Germany, and mobilcom Debitel Group. Educational background includes studies at Universität Siegen.
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