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Sarah Dunn, an experienced international developme nt leader, is Managing Director of Abt Britain.  She is responsible for driving the UK growth strategy as well as leading and mentoring our UK home office and Program teams to deliver against Abt’s mission. Dunn spent nearly two decades as a senior executive with the Department for International Development (now Foreign, Commonwealth & Development Office), where her final role in 2014 was country director for DFID Southern Africa/South Africa.  While at DFID, she worked across Africa, the Middle East and Caribbean and held several other executive and strategic advisory positions, including head of trade policy.

Sean McClellan, Ph.D. is a mixed-methods researcher with over a decade of experience in full cycle health services research. He has experience managing research projects, developing analytic designs, cleaning and analyzing administrative data, fielding rigorous surveys, conducting qualitative interviews, and communicating findings in plain language.

Adam Schaefer has over 16 years’ experience developing and managing environmental epidemiology research and evaluation projects. He is an expert in the health impacts of environmental exposures and has worked on both national and international projects, focusing on infectious disease, toxicology, health surveillance, and One Health. Before coming to Abt, Schaefer was a researcher at Florida Atlantic University. He has published numerous epidemiological studies in peer-reviewed journals.

Miguel Pulido is a dentist with more than 20 years of national and international work experience promoting and implementing social, financial, and economic policies in the health sector. He has worked domestically at the Colombia Ministry of Health (MOH) with several departmental health secretariats and internationally on health projects with the Inter-American Development Bank and United Nations Development Programme in Panama, Guatemala, and Honduras. He was also the director of the US-based non-governmental organization Te Doy Foundation, working with HIV orphans in Africa.

ZeAmma Brathwaite has over 20 years of experience partnering with private organizations and federal agencies to improve access to care and health outcomes for individuals and communities. A certified project management professional, Brathwaite has extensive experience leading multidisciplinary teams in the design, implementation, and evaluation of complex, large-scale transformation efforts using improvement science methods and tools to accelerate change.

Dr. Tiffany G. Harris is an epidemiologist with over 20 years of experience working in public health. She has overseen surveillance, program implementation and management, monitoring and evaluation, informatics, and data analysis and dissemination at the local, federal, and international level. She focuses on HIV, tuberculosis, COVID-19, and other infectious and non-infectious diseases.

Joe Baweja is the Abt Digital Public Health Lead with over thirty years of experience in software development, IT solutions, and project and portfolio management. Baweja supported the Centers for Disease Control and Prevention (CDC) for 20 years, and the intelligence community for nearly 10, in developing and delivering IT solutions that enable clients to better meet their mission. Joe has led a division with over $40M in annual revenue and 175 people, including the integration of a team gained via an acquisition, and strived to foster an environment of delivering innovative solutions to meet the customer needs. He is a project management professional and certified scrum master, and has participated in three Capability Maturity Model Integration (CMMI) level 2 and 3 successful certifications.  Baweja has also collaborated with U.S. Congressional staff during appropriations season as a subject matter expert for public health projects in over 100 meetings on Capitol Hill.

Molly Irwin has more than 25 years of experience leading large-scale research and evaluation efforts and working with policy makers, researchers, and practitioners to build and use evidence. Irwin has worked to improve public programs and policy outcomes in workforce development, child and family well-being, public health, and conservation, most recently as the Pew Charitable Trusts’ vice president of research and science. She spent over 10 years in the federal government in the Department of Labor (DOL), where she served as the chief evaluation officer, and in the Administration for Children and Families. She has also overseen major initiatives in state and local government and academia.

Dr. Sebastian Lemire is an evaluation expert with decades of experience designing and managing evaluations of education and workforce development programs. He has extensive experience with a broad range of evaluation approaches, quasi- and non-experimental designs, qualitative and quantitative data collection and analysis methods, as well as systematic evidence reviews.

Eduardo Castellon has two decades of experience helping public sector clients—from the U.S. Agency for International Development (USAID) and the U.S. Postal Service (USPS) to the Department of Housing and Urban Development—grow and refine their operations and impact. He has extensive experience delivering consulting expertise focused on artificial intelligence (AI), supply chain, procurement, financial management, and advanced analytics. His technological, consultative, and entrepreneurial skills help clients find new ways to address challenges ranging from affordable housing to homelessness to guaranteed income. He also has extensive expertise in technical assistance and implementation (TA&I) approaches. And his management experience includes developing high-performing teams through skills and career development and succession planning.