from training.npr.org: https://training.npr.org/sources/caroline-hoxby/
Caroline Hoxby is the Scott and Donya Bommer Professor in Economics at Stanford University. She is also the director of the Economics of Education Program at the National Bureau of Economic Research, and a senior fellow of the Hoover Institution and the Stanford Institute for Economic Policy Research.
Maria Marta Ferreyra (fuh-RAY-ruh) is a senior economist at the Office of the Chief Economist for Latin America and the Caribbean of the World Bank. She was previously a professor of economics at Carnegie Mellon University. At the World Bank she is co-leading a comprehensive study on higher education in Latin America.