Christian P. Illek

Dr. Christian P. Illek, born in Düsseldorf in 1964, is a German national and assumed responsibility for the Finance portfolio on the Board of Management on January 1, 2019. He has served on Deutsche Telekom's Board of Management since April 2015, initially with responsibility for the Human Resources portfolio. Since April 2026, the Chief Financial Officer has also served on an interim basis as head of the Product and Technology portfolio on the Board of Management.

Previously, Illek served as CEO of Microsoft Deutschland. There, he shaped flexible working-time models by ending the rigid requirement for employees to be present in the office. From April 2010 to September 2012, as Managing Director, Illek led marketing at Telekom Deutschland GmbH, including all marketing activities for residential and business customers in Germany. He also led the Wholesale Center, the Value-Added Services Center, and international product development for Deutsche Telekom AG's fixed-network, IPTV, converged, and business-customer offerings.

Before his appointment as T-Home Divisional Board Member (since early 2007) and Managing Director of Marketing at T-Mobile (since May 2009), he held various management positions at Bain & Company and Dell in Germany and Switzerland.

Dr. Christian P. Illek studied chemistry and business administration in Düsseldorf and Munich and began his career at the University of Munich in 1989.

Details of internal Group appointments are available in the Annual Report and are updated annually.