In February 2015 René Obermann joined Warburg Pincus, a leading private equity firm, as a Partner and Managing Director. Subsequent to investments made by Warburg Pincus, he assumed roles as Chairman of the Board at 1&1 IONOS Holding SE and as Director at Inmarsat. Furthermore, he serves on the board of Allianz Deutschland AG.
René worked as CEO of Ziggo BV in The Netherlands in 2014 until the merger with LibertyGlobal’s UPC. Prior to Ziggo, René worked at Deutsche Telekom Group (DT) from 1998 until 2013. After running DT’s mobile division (T-Mobile International), he was appointed as CEO of Deutsche Telekom AG in November 2006, where he remained until December 2013.
René began his career with a business traineeship at BMW AG in Munich. Next, he founded his own business in 1986: ABC Telekom, a company distributing telecommunication equipment and providing technical services. After the acquisition of ABC Telekom by Hutchison Whampoa in 1991, René became Managing Partner of the resulting company: Hutchison Mobilfunk GmbH. Between 1993 and 1998, he was CEO of that company.
From 2007-2013, René also served as Vice President of the German Association for Information Technology, Telecommunications and New Media (BITKOM).