Markus Keller is currently a Principal Technical Consultant at NTT Germany AG & Co. KG, part of the NTT DATA, Inc. group, where they have been employed since 2021. Previously, Markus served as a Senior Consultant at NTT Ltd. and held the position of Netzwerk-Administrator at both Arcor AG & Co. KG from 1998 to 2003 and ING-DiBa from 2003 to 2008.
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