Rebecca Martin, PhD, was recently appointed as the Director of the Center for Global Health (CGH) at the US Centers for Disease Control and Prevention (CDC). She has worked domestically and internationally in immunization, HIV, and health system strengthening and now lead’s CDC’s global efforts to protect and improve health worldwide through science, policy, partnership, and evidence-based public health action. Dr. Martin has over 18 years of experience in international health. Her international assignments include work in Kenya as an epidemiologist for an inter-country immunization program with WHO African Regional Office, in Tanzania as the Program Director for Strategic Information and Human Resources with CDC, and Denmark as the Regional Advisor for immunization with WHO European Regional Office. In these roles Dr. Martin led studies to strengthen national capacity, supported improved immunization and surveillance systems, and provided evidence for the introduction of new vaccines. She most recently served four years as Director of the Global Immunization Division, leading CDC’s global polio eradication efforts, vaccine-preventable disease control, vaccine introduction, and immunization systems strengthening. Dr. Martin began her career with CDC in 1997 in the National Immunization Program, Epidemiology and Surveillance Division. Prior to joining CDC, she worked at the Maryland Department of Hygiene and Mental Health in Maryland as the immunization program epidemiologist to improve vaccine access and coverage. Dr. Martin received her Doctorate of Philosophy from the Johns Hopkins Bloomberg School of Public Health in international health. She co-authored manuscripts and global guidelines on immunization strategies, vaccine-preventable diseases and surveillance methods.