Toyin Ajayi, MD, has served as the chief executive officer of Cityblock, a company focused on enabling a path to healthier communities through a digitally enabled, integrated primary care, behavioral health and social service delivery model for Medicaid and dually eligible populations with complex needs, since March 2022. Dr. Ajayi, who co-founded Cityblock, previously served as the company’s president from September 2017 through March 2022. Prior to Cityblock, Dr. Ajayi was the chief medical officer of Commonwealth Care Alliance, a nationally renowned integrated health plan and care delivery system for individuals eligible for both Medicare and Medicaid. Dr. Ajayi holds a Bachelor of Arts degree from Stanford University, a Doctor of Medicine from King’s College London School of Medicine and a master’s degree from the University of Cambridge.