Cubero has had a long and successful career at Germany’s largest cable network operator. He joined Kabel Deutschland in November 2003 and was appointed Managing Director in December 2005 with responsibility for the Television and Content business. In June 2006, his area of responsibility was expanded to include the Internet and Phone business. Cubero became Head of Sales, Marketing & Product Management and Kabel Deutschland’s Chief Commercial Officer in April 2007 and held this position until April 2009 when he was appointed Chief Operating Officer.