William Bonfield, M.D., MPH

William C. Bonfield M.D., M.P.H. is the Chief Medical Officer, Optum Behavioral Solutions. In this role, he oversees the development of clinical strategy, including clinical vision. He supervises Quality Management, Consumer Affairs, and Clinical Policy and Training. Dr. Bonfield has 43 years of experience in health care, 24 years in clinical practice and provider administration and 19 years in managed care. Before coming to Optum, he served as Chief Medical Officer of the Maricopa County Regional Behavioral Health Authority, the largest Medicaid behavioral health carve out in the country. In this position, he managed the Medical Affairs Department, Pharmacy Department, Medical and Nursing Staff, and the Quality Management Department. Prior to this role, Dr. Bonfield held senior leadership positions in managed care organizations and mental healthcare facilities and delivery systems. He also maintained a private clinical and consulting practice and served as a management resource to health care providers focusing on program design, professional staff relations, physician recruitment, and quality improvement.