Chris Locke is the Founder of Caribou Digital and a Visiting Fellow at the University of California, San Diego's Center on Emerging and Pacific Economies. Caribou Digital works with development organisations to build digital economies in emerging markets, helping to take critical mobile services covering health, agri, money and learning tools to scale at a nationwide level. Mr Locke was previously the Managing Director of GSMA Mobile for Development. He has spent the past 15 years working in the mobile and internet industries for companies including the Virgin Group, Three, AOL and T-Mobile. Previous to his industry career, he was the Xerox Lecturer in Electronic Communication and Publishing at University College London, and has maintained strong links to the research community. He is co-editor of “Thumb Culture: The Meaning of Mobile Phones in Society,” an anthology of research considering the global social effect of mobile technology.