Ann Barnes is chief medical officer at Harris Health System. She is responsible for clinical quality, patient safety, research, and medical staff affairs, and has a special interest in health system integration and social determinants of health. She was previously chief medical officer at Legacy Community Health, a large Federally Qualified Health Center in Houston. Dr. Barnes maintains a voluntary faculty position as an associate professor of medicine at Baylor College of Medicine. Previously, Dr. Barnes was medical director of weight management services and disease prevention for Harris Health System. Dr. Barnes is currently a member of the boards of directors of Rice University’s Kinder Institute for Urban Research, Good Reason Houston, and Houston Endowment. She is a graduate of Harvard Medical School and completed her residency in internal medicine/primary care at Brigham and Women’s Hospital in Boston. Barnes received her master’s in public health from The University of Texas School of Public Health and is a board-certified internist. She is a Houston native.