nne Marie Costello serves as Deputy Director for the Center for Medicaid & CHIP Services (CMCS) within the Centers for Medicare & Medicaid Services (CMS) at the U.S. Department of Health and Human Services (HHS). Previously, Anne Marie was Director of the Children and Adults Health Programs Group (CAHPG) in CMCS. There, she directed CMS’s work on eligibility, enrollment, quality of care measurement, and quality improvement initiatives for children and adults served by Medicaid, the Children’s health Insurance program (CHIP), and the Basic Health Program (BHP), leading the development of national policy for low-income children and adults enrolled in Medicaid, CHIP, and BHP. She led the implementation of quality improvement initiatives on maternal and child health, children’s oral health and prevention, and special initiatives related to the Agency’s response to the Zika virus and the Flint water crisis.