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Markus Mueller (Photo: Deutsche Telekom)

Markus Mueller has been appointed chief information officer of Deutsche Telekom and head of its new Telekom IT division.

The German telecommunications group decided in December to merge the IT departments of all of its business units into one division in an effort to improve competitiveness and boost innovation.

Mueller joins Telekom from insurance group Allianz, where he also held the CIO position. Earlier, he worked at Dresdner Bank and management consultants McKinsey. He studied computer science and earned a doctorate at the University of Passau in Germany.

Reinhard Clemens, board member of Deutsche Telekom and head of its business services unit, T-Systems, called Mueller "an IT professional through and through."

And he added in a statement about Mueller: "He has mastered the art of walking a tightrope between efficiency and innovation, and has a great deal of international experience under his belt."

Deutsche Telekom is a Germany-based integrated telecommunications group with more than 129 million mobile customers 34 million fixed-network lines and approximately 17 million broadband lines. The group has 235,000 employees worldwide and generated 58.7 billion in 2011 revenue.