Mario Schlosser

Co-Founder & Chief Technology Officer, Oscar Health

Mario Schlosser is the Co-Founder and Chief Technology Officer at Oscar Health. In this role, Mario leads product and engineering, with a focus on building Oscar’s technology platform for the future and continuing to set the strategy for +Oscar. Previously, Mario served as CEO of Oscar, leading the company from inception to serving nearly 1M members across Individual & Family, Medicare Advantage, and Small Group health plans.

Before co-founding Oscar, Mario also co-founded the largest social gaming company in Latin America, where he led the company's analytics and game design practices. Prior to that, Mario was a Senior Investment Associate at Bridgewater Associates and worked as a consultant for McKinsey & Company in Europe, the U.S. and Brazil.

Mario also spent time as a visiting scholar at Stanford University, where 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 the EigenTrust Algorithm to securely compute trust in randomized networks. In May 2019, Mario and his co-authors, Sepandar D. Kamvar (Mosaic Building Group Inc) and Héctor Garcia-Molina (Celo), received the prestigious Seoul Test of Time Award from the International World Wide Web Conference Committee (IW3C2) for this work.

Mario holds a degree in computer science with highest distinction from the University of Hannover in Germany and an MBA from Harvard Business School.