Thomas Holl is the co-founder and president of Babbel, a market-leading language learning app. Since December 2014 he leads the company’s North American expansion. Before that he was Babbel’s CTO, where he led the development and the operation of the platform. Thomas co-founded his first company in the music software space where he created the first MP3 DJ tool while studying computer science at the University of Marburg and at the Karlsruhe Institute of Technology (KIT). Subsequent to its sale to Native Instruments GmbH, he further developed and optimized the product into “Traktor” – the leading DJ software that has revolutionized the industry*. With his experience, he supported Accenture GmbH as a technical consultant for three years before he co-founded Babbel in Berlin in 2007. Thomas is a patent holder: http://www.google.com/patents/US20100011941