Anu Rangarajan is a Senior Fellow at Mathematica and has a Ph.D. in economics from Brown University. During her 32-year career at Mathematica, she has led numerous large-scale evaluations around the world. She specializes in impact evaluations, process and performance evaluations, rapid-cycle evaluations, cost-benefit analyses, and scale-up studies. Her work spans agriculture, infrastructure, education and workforce, welfare and poverty reduction, maternal and child health, water and sanitation, and climate change. She has taught program evaluation at the School of International and Public Affairs at Princeton University and the University of Maryland.