- Global Health
Dr. Walker is the Division of Global Health Protection (DGHP) Program Director - Ghana responsible for leading and coordinating the US Embassy Accra interagency health security portfolio, in partnership with the Government of Ghana and other GHSA donor countries. She is a recognized authority on GHSA, providing direct technical consultation and scientific guidance to US Missions, host country Ministries of Health, and key in-country stakeholders on the requirements of the International Health Regulations 2005 (IHR 2005). Dr. Walker has also effectively led the translation of scientific evidence into programmatic strategies to expand GHSA implementation in Ghana and across West Africa.
Dr. Walker joined CDC in 2002 where she has served in a variety of programmatic and policy roles both domestically and internationally. Chastity completed her Doctorate of Public Health in Health Administration from the University of North Carolina at Chapel Hill in 2009. She holds Master of Public Health in Health Policy and Management and Bachelor of Social Work degrees from the University of South Florida.