from training.npr.org: https://training.npr.org/sources/trevon-logan/
Azzeddine Azzam is a professor of agricultural economics at the University of Nebraska-Lincoln. Azzam has worked in the field for about 34 years, and his teaching and research interests include microeconomics and agricultural and natural resource economies.
Humberto Barreto is a professor of economics and management at DePauw University. Part of his work is improving the teaching of economics using Microsoft Excel, and he is co-author of Introductory Econometrics Using Monte Carlo Simulation with Microsoft Excel (2006) and Intermediate Microeconomics with Microsoft Excel (2008).
Glenn Loury is the Merton P. Stoltz Professor of the Social Sciences and a professor of economics at Brown University. His expertise lies in the areas of applied microeconomic theory, game theory, industrial organization, natural resource economics and the economics of race and inequality.
Lisa D. Cook is a professor of economics and international relations at Michigan State University. She was the first Marshall Scholar from Spelman College, and received a second B.A. in philosophy, politics and economics from Oxford University. She holds a Ph.D. in economics from the University of California, Berkeley.
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.