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 approximately 1.5M members with Individual & Family and Small Group plans. Mark is former Co-Chief Executive Officer of Bridgewater Associates, the world’s largest and most successful hedge fund. 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 ...read more