Dietmar Kohnenmergen received his M. Sc. Degree in Physics (Dipl.-Phys.) at the University of Cologne, Germany in 1993. Before joining E-Plus Mobilfunk (subsidiary of KPN Netherlands) in 2000, he worked as System Engineer for several IT companies and for a fixed network operator, called o.tel.o communications GmbH (renamed today to Vodafone), in Germany. He was mainly responsible for the implementation of the SS7 signalling network in the engineering lab and for the technical release testing. Later on, he moved internally to the service creation department, where he was responsible for the service creation of new IN services.

In February 2000 he started his activities within the core network engineering department of E-Plus Mobilfunk GmbH as a Master Expert System Architect Network. He worked for several years as KPN N.V. representative within the 3GPP standardisation (CN2 CAMEL, and CT5 OSA) and was responsible for the introduction of CAMEL and OSA/Parlay at E-Plus Mobilfunk. Now, he is focussing on pure strategic topics within E-Plus and is responsible for the coordination of the Planning and Engineering Roadmap and for the analysis and the introduction of future proofed new technologies, like LTE, IMS, and NGN.

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