“General Catalyst is a group of true entrepreneurs who know how to help founders navigate the inevitable failures and successes involved in starting a new venture. They’ve been an infinite source of wisdom for Oscar as we’ve scaled from an idea to serving hundreds of thousands of members.”

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 healthcare.

Previously, he co-founded the largest social gaming company in Latin America, where he led the company’s analytics and game design practices. At Bridgewater Associates, Mario 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. Mario is the author of 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 with highest distinction from the University of Hannover in Germany and an MBA from Harvard Business School.

Prior to co-founding Oscar Healthcare Insurance Co., Joshua co-founded, Vostu, a General Catalyst Portfolio Company and the largest social gaming company in Brazil.

Joshua is also the founder and Managing Partner of Thrive Capital, an early stage venture capital fund. Additionally, he serves as a Principal of Kushner Companies, a diversified real estate investment company, whose holdings include The New York Observer, a weekly Manhattan newspaper and he sits on the board of the Observer Media Group. Joshua is a graduate of Harvard University.