David is an Executive Advisor to Two Sigma Impact where he supports healthcare investing efforts. He currently sits on the boards of SchoolCare and Pyramid Health Care and is a Senior Advisor at McKinsey. In early 2021 he stepped down from his role as CEO of Quartet Health. Prior to his role as CEO, he was Quartet’s Chief Data Scientist and led the Business Development team. David previously served as the Chief Executive Officer of the Northern New England Accountable Care Collaborative (NNEACC), and as the Chief Executive Officer of the High Value Health Collaborative at The Dartmouth Institute. A co-founder of Health Dialog Analytic Solutions, the analytic division of Health Dialog, David served as Health Dialog’s Chief Science Officer. David received his MD from McGill University and MPH from the Harvard School of Public Health.