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Matthew Trombley has a Ph.D. in economics with concentrations in health and applied econometric methods. He has extensive experience designing and conducting evaluations for the Center for Medicare & Medicaid Innovation (CMMI), including analyses of historically underserved populations.

Tamara Daley has 20 years of behavioral health, disability, and social-policy project leadership and evaluation experience. She brings expertise from work with a variety of federal agencies, including Substance Abuse and Mental Health Services Administration (SAMHSA), National Institute of Mental Health, Department of Education, the Department of Health and Human Services’ Assistant Secretary for Planning and Evaluation, Social Security Administration, and Department of state. She also has worked with foundations, city governments, and universities. Daley designs and conducts research in behavioral health, from qualitative and mixed-methods studies and survey design to evaluability assessments.

Dr. Kerry Hofer has almost 20 years of experience conducting rigorous research in early childhood settings. Dr. Hofer has in-depth knowledge of large-scale childcare programs, including public state-run prekindergarten programs and Head Start/Early Head Start, as well as more informal care settings.  She has worked with early educational programs and staff across the country.  Dr. Hofer has been a key member on several large-scale projects funded by organizations such as the U.S. Department of Education and the National Institutes of Health, primarily focusing on analytic techniques with quantitative data. The majority of her research involves rigorous quantitative evaluations of early educational programs and practices targeted at children from impoverished families, focusing on program impact and model delivery.

Kelly Saldana has 25 years of experience in international development and health, including infectious diseases and nutrition. She worked in many regions of the world while serving in senior roles at the U.S. Agency for International Development (USAID). She has worked with public, private, and non-profit sectors and communities. She represented USAID on interagency and international advisory committees and expert groups involving health systems strengthening. Beginning in 2021, Saldana also served as the strategic programming lead for the agency’s COVID-19 response and programmed $6 billion from American Rescue Plan funds to help end the COVID-19 pandemic.

Alexandra Nastase is the Chief Technical Director, based in London. She has more than 15 years of experience in design, implementation, and evaluation of large reform and technical assistance programs to improve public sector performance and strengthen civil society.Nastase has held leadership and senior advisory roles for multi-million technical assistance programs funded by World Bank, European Commission, World Food Programme, Bill and Melinda Gates Foundation, Australian Department for Foreign Affairs and Trade, United Nations Development Program, and the UK’s Foreign, Commonwealth, and Development Office (FCDO).

Hannah Betesh has over a decade of experience designing, managing, and conducting rigorous implementation and impact studies of interventions for low-income workers and families, including programs that address substance use disorder. Betesh’s methodological expertise is in measuring and documenting program implementation to support adoption of evidence-based practices. Her federal clients have included the Administration for Children and Families (ACF), the Department of Labor (DOL), and the Department of Justice (DOJ).

Nduka Iwuchukwu is a Medical Doctor with more than 30 years of experience in clinical care, public health, safety, environment, and innovation management. He has provided technical assistance on vector control interventions to National Malaria  Programs in Nigeria, Malawi, Tanzania, Zambia, and Guatemala. He has developed several innovations in malaria vector control including indoor residual spraying (IRS) supervision and monitoring tools, field operational protocols, and novel designs for implementing community-based IRS operations.

David Kaz, a principal associate in Abt’s Social and Economic Policy Division, has nearly 20 years of experience providing technical assistance, training, research, and policy analysis. He has worked on a wide range of programs and policies that affect low-income populations. He has directed, designed, and conducted both large- and small-scale, multi-faceted technical assistance projects for federal and state agencies and other clients and stakeholders. Clients have included the U.S. Department of Agriculture (USDA) Food and Nutrition Service, Washington State’s Department of Social and Health Services, King County, and the City of Seattle. He has worked on workforce legislation with members of Congress.

Evelyne Alyko is a medical doctor, public health specialist, and entomologist with 21 years of experience in public health program management. She specializes in the planning, implementation, monitoring, and evaluation of malaria prevention and control projects. She has led or provided technical assistance for donor-funded vector control programs in seven countries and served in Benin’s National Malaria Control Program (NMCP). Alyko also has experience working with global organizations such as the Global Fund and the World Bank.

Mubita Lifwatila has more than 20 years of experience designing, implementing, and managing health and education projects in Southern, East, and West Africa. He has provided technical assistance to national malaria programs to institutionalize improved surveillance systems, data analytics using DHIS2, health information systems, epidemic detection, and rapid response capacities. He also has helped strengthen government systems for education service delivery and implementing strategies for mobilizing community support for education initiatives.