René Obermann joined Warburg Pincus in 2015. As a managing partner, he focuses internationally on investments in the technology, media, and telecommunications sectors, and represents the firm in Germany across all industries. Prior to joining Warburg Pincus, he was the CEO at Ziggo B.V., the leading cable network supplier in the Netherlands. From 2006 to 2013, he was the CEO of Deutsche Telekom, and before that CEO of T-Mobile International and T-Mobile Germany. 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. Obermann is also a member of the editorial board of DIE ZEIT.