Mark Bertolini

Chief Executive Officer
Mark Bertolini Headshot

Mark T. Bertolini is the Chief Executive Officer of Oscar Health, a leading insurer dedicated to making a healthier life accessible and affordable for all. Under his leadership, Oscar serves over 1M members with Individual & Family, Medicare Advantage, and Small Group plans.

Mark is former Co-Chief Executive Officer of Bridgewater Associates, the world’s largest and most successful hedge fund. Mark currently serves on Bridgewater’s Operating Board of Directors.

Mark is also a national health care thought leader, and the former Chairman and CEO of Aetna Inc. At Aetna, Mark assumed the role of CEO in November 2010, and of Chairman in April 2011. In November 2018, he stepped down as Chairman and CEO and served as a Director of CVS Health Corporation upon completion of CVS Health’s acquisition of Aetna, valued at $69 billion. Throughout Mark’s tenure at Aetna, he led the company’s transition from a traditional health insurance company to a consumer-oriented health care company focused on delivering holistic, integrated care in local communities.

Before joining Aetna, Mark held executive positions at Cigna, NYLCare Health Plans, and SelectCare, Inc., where he was President and Chief Executive Officer. He serves as a director of Verizon Communications Inc. (communications and technology solutions), Massachusetts Mutual Life Insurance Company (insurance and investment products), Thrive Global (sustainable, science-based solutions to enhance well-being, performance and purpose), and the FIDELCO Guide Dog Foundation (non-profit organization that breeds, trains and places German Shepherd guide dogs with people who have visual disabilities).