William F. Tate IV is the Edward Mallinckrodt Distinguished University Professor in Arts & Sciences at Washington University in St. Louis. He directs the Center for the Study of Regional Competitiveness in Science and Technology and serves as chair of the Department of Education. In addition, he serves on the faculty executive committee of the Institute for Public Health and Urban Studies. He is a past president of the American Educational Research Association (AERA). Tate is an elected Fellow of the AERA and is the recipient of the association’s presidential citation for his contributions to theory and methods associated with research on opportunity to learn and social disparities. He has concentrated his research efforts in three areas: (1) social determinants of mathematics, engineering, technology, and science attainment and disparities; (2) geospatial and epidemiological applications to education, health, and human development; and (3) political economy of urban metropolitan regions.