Mario Schlosser is the CEO and co-founder of Oscar, a health-insurance start-up that is using technology, design, and data to help humanize and simplify health care. Previously, he co-founded Vostu, the largest social gaming company in Latin America, where he led the company’s analytics and game design practices. At Bridgewater Associates, Schlosser developed analytical trading models as a Senior Investment Associate. Prior to Bridgewater, he worked as a consultant for McKinsey & Company in Europe, the U.S. and Brazil. As a visiting scholar at Stanford University, he wrote and co-authored 10 computer science publications, including one of the most-cited computer science papers published in the past decade, in which he developed an algorithm to securely compute trust in randomized networks. He holds a degree in computer science from the University of Hannover in Germany and an M.B.A. from Harvard Business School.