Charles Kennedy – Aetna Charles D. Kennedy, M.D. is chief population health officer for Healthagen. In this role, Dr. Kennedy is responsible for leading Healthagen’s population health and care management strategies and working with health systems and provider organizations to design and implement population health management programs. Previously, Dr. Kennedy was chief executive officer of Accountable Care Solutions from Aetna, a business he helped to establish at Aetna that collaborates with high quality health systems to implement accountable care models.