Rene Obermann, born in 1963, has been Chairman of the Management Board of Deutsche Telekom AG since November 13, 2006.

From December 1, 2002 until November 12, 2006, he was in charge of mobile operations on the Management Board, served as CEO of T-Mobile International and was responsible for the Mobile Communications strategic business area.

Mr. Obermann became a member of the Management Board of T-Mobile International in June 2001, responsible for European Operations. From April 2000 until March 2002, Mr. Obermann was Chief Executive Officer of T-Mobile Deutschland.

Between April 1998 and March 2000, Mr. Obermann was Managing Director of Sales at T-Mobile Deutschland. He started his career by setting up the company ABC Telekom, in Muenster after completing a business traineeship with BMW AG in Munchen between 1984 and 1986.

In 1991, he became Managing Partner of Hutchison Mobilfunk, successor of ABC Telecom. From 1993 to 1998, he was Chairman of that company's management board. Mr. Obermann was also Chairman of the former German Association of Mobile Communication Service Providers during 1995 and 1996.