Presently, Markus Haas occupies the position of CEO & Chief Operating Officer at Telefónica Deutschland Holding AG and Chairman-Management Board at E-Plus Service GmbH.
He is also on the board of Verband der Anbieter von Telekommunikations- und Mehrwertdien and BREKO Bundesverband Breitbandkommunikation e.V. and Managing Director-Corporate Affairs & Strategy at Telefónica Germany Management GmbH.
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