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Sandra Wilson is an internationally known expert in research synthesis and meta-analysis. She has conducted systematic reviews of educational programs, most notably on school-based violence prevention and high school dropout programs.Prior to joining Abt, Wilson was the associate director of the Peabody Research Institute and a research assistant professor at Vanderbilt University. Wilson led and supported research projects at the Center for Evaluation Research and Methodology at Vanderbilt.

Graham Teskey, based in Canberra, Australia, is the leader of Abt Global’s Global Governance practice. He serves as a resource on the governance aspects of international development, leads or supports engagement with major clients, and is building Abt’s thought leadership and reputational capital in governance.Before joining Abt, Graham was the principal governance specialist for the Australian Department of Foreign Affairs and Trade (DFAT), where his role was to advise DFAT on its governance and public sector programs in its international aid program.

Elaine Baruwa has more than 15 years of experience conducting program evaluations, economic evaluations, and working on pricing and costing policies and tools for the financing of health services and health systems in Nigeria, Haiti, Ethiopia, China, Bangladesh and other low-income countries.

Lauren Olsho is a senior health economist and evaluator with expertise in random assignment, quasi-experimental evaluation methods, economic modeling methodology, and advanced statistical and econometric analysis.Olsho’s primary research interests are in health, nutrition and health behaviors in vulnerable populations – including the elderly, the poor, program participants, minorities, arrestees and at-risk youth.Olsho recently served as principal investigator on a cluster random assignment evaluation of the Agency for Healthcare Research & Quality On-Time Falls Prevention Initiative, a clinical decision support intervention to reduce falls in long-term care settings.

Jason Brinkley, Ph.D., is a biostatistician, data scientist and health researcher who leads the Research Design and Analytics team in Abt’s Data Science, Surveys and Enabling Technologies division. Brinkley has expertise in a wide range of analytic methods, and he specializes in machine learning, customized data visualizations, maps and dash-boarding. Brinkley balances research time between examining theoretical ways to assess the impact of medical interventions on public health and developing best practices for using statistical software. A member of the American Statistical Association, AcademyHealth, and the American Association for Public Opinion Research, he also serves on the executive board of the Southeast SAS Users Group.

Dr. Michael Plotzke is a senior health economist with expertise in the area of Medicare payment policy, the organization of healthcare providers and quality measurement. His work typically involves the analysis of large datasets such as Medicare claims, assessment and enrollment data. Dr. Plotzke serves as principal investigator for multiple projects with the Centers for Medicare & Medicaid Services.  On the “Home Health Prospective Payment System and Hospice: Analysis Support and Monitoring” project, Dr. Plotzke leads a team of researchers in analyzing trends in Medicare hospice and home health usage and constructing large-scale payment reform options for both benefits.  Dr. Plotzke also leads the “Evaluation of the Medicare Care Choices Model” project that evaluates a new payment model for end-of-life care that is being tested with 141 hospice providers.  This project involves analysis of existing administrative data and collection of new data through surveys of caregivers, surveys of hospice providers and in-depth case studies of hospice providers participating in the model.

For 15 years, Lauren Dunton has been working in homelessness, housing, workforce, and education research at Abt. As an experienced Project Director, Dunton manages research and technical assistance projects for a range of federal agencies and foundation clients. She has expertise in qualitative data collection and analysis, including coordinating and conducting site visits and managing the collection of site-level administrative data.