Carsten Frien, CEO & Co-Founder of madvertise, is responsible for strategy development, business development, investor relations, HR, legal, product and technology. Prior to that, he was Managing Director UK for Tipp24 AG and held a number of executive positions for AOL in Hamburg and London (UK). Before that he was responsible for Business Development in Germany (Munich), and later Europe (London), for Digital Rum, one of the leading mobile service providers. Frien studied Business Administration at the University of Hamburg and the Aarhus Business School (DK). During his studies he already founded two Internet Start-Ups.