Dr. Maria Elena Jefferds Jefferds, is a Lead Epidemiologist and Team Lead of the International Micronutrient Malnutrition Prevention and Control Program (IMMPaCt) in the Division of Nutrition, Physical Activity and Obesity (DNPAO) at the Centers for Disease Control and Prevention (CDC). Dr. Jefferds has expertise in behavioral science; population-based surveys and assessments; surveillance; and the design, monitoring and evaluation of micronutrient and nutrition programs. She and the IMMPaCt team are actively engaged with partners on effectiveness studies, national micronutrient surveys, and strengthening nutrition surveillance systems in countries in Africa, Asia and Central America. Dr. Jefferds is a member of multiple global technical advisory groups. She served as the Chair of the Program Committee for the 4th Micronutrient Forum Global Conference in Cancun and the 5th Micronutrient Forum Global Conference in Bangkok.