Tim Silva is a managing director in the Research and Evaluation service area. He joined AIR in January 2018, having previously spent 21 years at Mathematica Policy Research. There, a good deal of his work was on large randomized controlled trials in the education field.
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.
Kiersten Strombotne is an economic researcher at AIR, where she specializes in econometrics and health research. Dr. Strombotne leads the analyses for randomized controlled trials and quasi-experimental designs on projects in the areas of behavioral health and the social determinants of health.
Felice Trirogoff is a communications specialist at American Institutes for Research (AIR), where her primary responsibilities include reviewing, editing, proofreading, and writing deliverables and public information materials.
Seth Brown is a senior researcher at AIR.
Marcia Davidson is a principal literacy specialist and researcher at AIR. Before coming to AIR, Dr. Davidson was the team lead for the Reading Team in the E3 Office of Education at USAID.
Michael B. Marks is a senior researcher at AIR with experience in conducting qualitative and case study research, implementation and fidelity studies, analyzing ways to foster authentic consumer engagement, and furthering organizational knowledge translation/dissemination practices. Dr.