René Obermann is based in London, joined Warburg Pincus in 2015 and focuses on investments in the technology, media and telecommunications sectors internationally as well as representing the firm in Germany across all industry sectors.  Prior to joining Warburg Pincus, he was CEO of Ziggo BV in The Netherlands until the merger with LibertyGlobal’s UPC. Prior to Ziggo, René worked at Deutsche Telekom Group from 1998 until 2013. After running the mobile division of DT (T-Mobile International), he was appointed as CEO of Deutsche Telekom AG in November 2006, where he remained until December 2013.  Mr. Obermann began his career by starting a company in the telecom’s sector prior to joining Deutsche Telekom. He currently serves as a Supervisory Board member of Allianz Deutschland, CompuGroup Medical and thyssenkrupp and is Chairman of the Supervisory Boards of both 1&1 Internet SE and inexio.  Mr. Obermann is also a member of the Editorial Board of DIE ZEIT.