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Didar Ali Didar is technical advisor for monitoring, evaluation, research, and learning (MERL) in Abt’s International Technical Practice (ITP). He has more than 10 years of experience in MERL, project design, and management in the areas of agriculture, food security, economic inclusion, civil society, governance, health, and education. He also has experience in women’s rights advocacy, including designing and implementing advocacy plans and organizing national and international events.

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.

Matt Gillingham is an economist and experienced healthcare data and analytics leader with more than two decades of experience developing innovative applications of data science, data analytics, and data, particularly Medicare, Medicaid, and commercial healthcare data. He has created and executed new offerings that include “as a service” offerings for data, data analytics, data science, data quality, data visualization, and health outcomes measurement. Gillingham has directed teams of up to 200 staff across business development and delivery functions, including teams of directors and deputy directors. Senior executives routinely placed him in critical enterprise and unit transformation roles.

Caroline G. Staub, Ph.D., is an analytical and strategic international development professional with 10-plus years leading programs in climate change adaptation and resilience, environmental science, natural resources management, sustainable agriculture, and food security. Her work tends to address finite, fragile, and/or remote geographical settings. She has extensive experience leading cross-functional, multi-cultural teams, trainees, and public/private partnerships in support of projects that incorporate critical thinking and capacity building to inform course corrections and ensure accountability and sustainability.

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).

Etienne Fondjo is a medical entomologist specializing in malaria with 20 years of experience in project management and malaria control funded by the public sector and its partners. He has served as the national malaria coordinator and as the deputy national malaria coordinator in Cameroon’s National Malaria Control Program (NMCP). He has also consulted for the World Health Organization (WHO) in five countries, served as principal investigator for 11 projects in Cameroon, and was the Central Africa coordinator for the Mapping Malaria Risk in Africa (MARA) project in nine countries.

Mariandrea Chamorro has 20 years of experience managing international development programs. She has provided oversight for the high-quality and compliant execution of large flagship USAID programs while contributing to business development. Chamorro’s areas of expertise include prevention of vector-borne diseases, infectious diseases, maternal and child health, and health systems strengthening. Her clients have included the U.S. Agency for International Development (USAID), the Australian Department of Foreign Affairs and Trade (DFAT), and the UK’s Foreign Commonwealth & Development Office (FCDO).