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Markus Haas has been Chief Executive Officer (CEO) of Telefónica Deutschland since January 2017. Prior to this position, he had been leading the operative core business of the company as Chief Operating Officer (COO). Most recently, under his overall leadership of the company, Telefónica again revolutionised the mobile communications market in Germany with the launch of O2 Free, the most customer-friendly mobile data product by far.
Being a fully qualified lawyer, Markus Haas has been working for Telefónica since 1998. In 2009 he was appointed to the executive board and since 2012 he is member of the board of directors of Telefónica Deutschland Holding AG, where he most recently steered the company strategy. In this position he was mainly responsible for the successful acquisition of E-Plus group and the operative integration of Telefónica and E-Plus. Previously he played significant roles in the acquisition and integration of HanseNet, the LTE spectrum auction and Telefónica Deutschland´s successful IPO. Under his conduct of negotiations Telefónica Deutschland entered commercially important strategic partnerships with Deutsche Telekom AG, Versatel GmbH and Drillisch AG among others.