Alemayehu Ambel is a Senior Economist in the Development Data Group of the World Bank. His research interests include survey methods, early childhood nutrition and health systems. As a member of the Living Standards Measurement Study (LSMS) team, he has expertise in survey instrument development, field operations, and data quality control and analysis. He works on household, facility and time use surveys. He holds a MSc in Economic Policy Analysis from Addis Ababa University and a Ph.D. in Economics from Western Michigan University.