Dr. Yousafzai is an Associate Professor of Global Health, Department of Global Health and Population at the Harvard T.H. Chan School of Public Health. Her research interests are the development and integration of interventions that promote early child development in existing health services, and implementation research on scaling-up early childhood interventions. She has extensive experience in evaluating early childhood interventions in south Asia, east Africa, and in central and east Europe. One of Dr. Yousafzai most significant studies is the Pakistan Early Child Development Scale-Up (PEDS) trial, a cluster randomized controlled trial evaluating responsive stimulation and nutrition interventions to strengthen early child development and growth outcomes. Dr. Yousafzai has written extensively about early childhood interventions in low- and middle-income countries including recent articles in Annals of the New York Academy of Science, Annual Review of Psychology, Lancet, Lancet Global Health, and Pediatrics. She also serves on a number of Advisory Groups on early child development for international organizations including co-Chair for the Intervention Taskforce of the Early Childhood Development Action Network-ECDAN and an advisor on Home Visiting for the UNICEF CEECIS regional office.