Mark T. Bertolini is the Chief Executive Officer of Oscar Health, a tech-driven health insurance company, a role he assumed in 2023. Prior to this, he served as Co-Chief Executive Officer of Bridgewater Associates, one of the world's largest hedge funds, from January 2022 to May 2023. He was also Co-Chairman of Bridgewater’s Operating Board of Directors, having joined as an Independent Director in 2019.
Bertolini is widely recognized for his tenure as Chairman and CEO of Aetna Inc.