Mario Schlosser

Co-Founder, President of Technology & Chief Technology Officer
Mario Schlosser Headshot

Mario Schlosser is the co-founder, President of Technology 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 over 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.

We didn't start Oscar because we liked health insurance. Quite the opposite.

Mario Schlosser, President of Technology, Oscar