Spyros Konstantopoulos is a professor specializing in Measurement and Quantitative Methods. His methodological work focuses on the applications of multilevel models, experimental design, and meta-analysis. His substantive research encompasses teacher and school effectiveness, educational evaluation, and policy studies. He teaches courses in educational statistics, multivariate analysis, multilevel modeling, and meta-analysis. Konstantopoulos received his Ph.D. in research methods in education from the University of Chicago, and his work significantly contributes to the understanding of educational systems through rigorous statistical analysis and evaluation methods.