Carmen Martínez is a researcher with 18 years of experience in a range of national, state, and local research and evaluation projects in the domains of of early education and intervention, programs for at-risk and culturally diverse students, closing the achievement gap for low-income and minorit
Trey Miller is a principal researcher at AIR whose research focuses on postsecondary education policy.
Jijun Zhang is a senior research analyst at AIR with expertise in statistical analysis of large-scale complex survey data utilizing advanced statistical analysis techniques.
Janet U. Levings is an educational consultant working with Youth Development and Supportive Learning Environments at AIR.
Joshua R. Polanin is a principal researcher in the Research and Evaluation program at AIR. He has extensive experience in quantitative methodology, and has led or co-led more than 15 peer-reviewed, published meta-analyses. Dr.
Donna Warthan is a senior technical consultant at AIR. Her primary responsibilities include managing the overall project and budget for four federal School Improvement Grant projects in Virginia and New York.
Ryan Williams is a principal researcher at AIR with expertise in causal inference methods and meta-analysis. Dr. Williams is the principal investigator on an Institute for Education Sciences (IES) meta-analysis that explores sources of heterogeneity in mathematics intervention effects.
Alicia Espinoza is a senior technical assistance consultant at AIR. Her expertise includes coaching teacher leaders, school administrators, and district leaders through the implementation of evidence-based district and school improvement systems, processes, and practices.