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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.

Graham Teskey leads Abt Global’s Global Governance practice out of Canberra, Australia. He has 40 years of experience in governance and international development. He has worked with (and for) for the U.K.’s Department for International Development, (the forerunner to the Foreign, Commonwealth and Development Office), the World Bank, and Australia’s Department of Foreign Affairs and Trade. Graham has lived and worked in multiple countries, including Kenya, Tanzania, Uganda, Rwanda, Zambia, Zimbabwe, Malawi, Fiji, Vanuatu, Indonesia, Papua New Guinea, Solomon Islands, Philippines, and Timor-Leste.

Dereje Dengela is an epidemiologist and entomologist with more than 25 years of experience in planning, implementation, monitoring, and evaluation of malaria control programs. He has extensive managerial experience, having supervised as many as 94 professionals. He has held senior positions with the government of Ethiopia, worked on projects for the U.S. Agency for International Development (USAID), and served as a national malaria program officer in Ethiopia. He supported the Ministry of Health of Ethiopia in mobilization of financial resources from donors, particularly the Global Fund. Dengela has authored or co-authored more than 30 publications in peer-reviewed journals.

Brian Chirwa is an agricultural and environmental scientist with over three decades worth of experience working on projects funded by the World Bank, the U.S. President’s Malaria Initiative (PMI), the Environmental Council of Zambia, and the Southern African Development Community (SADC). He brings 18 years’ experience on PMI-funded projects focused on indoor residual spraying (IRS) and insecticide-treated nets (ITNs) and has provided technical leadership, assistance, and high-level management for country-wide Zambian IRS and ITN campaigns. Brian also has three decades' worth of experience designing environmental information systems (EIS) for public organizations.

Teresa Mota, BSN, RN is an Associate/Nurse Researcher and a sought-after clinical researcher on federal and state projects emphasizing aging, long-term care, and improving the care experience. Mota has an extensive clinical and health services research background in geriatric nursing, and she specializes in post-acute care, quality improvement (QI) and supporting community-based providers and stakeholders to assist them in the identification of best-practices, develop resources and tools, communications, and implementation of QI initiatives. Mota also participates in data collection, measurement, analysis, and reporting related to these programs.

Brooke Abrams is a trained political scientist and researcher. With over 11 years of experience, she specializes in applied housing and health, bringing expertise in managing and contributing to place-based, mixed-method, and community-centered solutions. Her work spans research, evaluation, and technical assistance (TA) projects across diverse policy domains, delivering innovative and tailored strategies to drive impactful change.As a Client Solutions Architect at Abt, Abrams plays a pivotal role in designing client-focused frameworks and solutions that emphasize rigorous, data-informed, multi-disciplinary, and population-tailored design. She specializes in community-specific, monitoring, evaluation, and technical assistance approaches to engage and work alongside persons with lived expertise.

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.

Allan Porowski joined the Social and Economic Policy Division of Abt Global in 2014 as a principal associate. He is a leading expert in the design, execution and analysis of randomized controlled trials, quasi-experimental studies and national cross-site evaluations of education, health and other social interventions.

Dr. Ndombour Gning Cisse is a biologist and scientist with 16 years of experience in public health and environmental health management, particularly in malaria vector control in Africa. She has experience in all aspects of insecticide spraying operations, including planning, training, supervision, human resources talent management, leadership development, strategic planning, project implementation, and capacity development assignments in four countries.

Kate Stillman is a technical leader with more than 25 years of experience in program design, systems thinking, evidence generation and use, monitoring, evaluation and learning, and project management. She has deep experience in global development with specialties in health systems strengthening, infectious and vector-borne diseases, maternal and child health, and sustainability. She drives Abt’s efforts to strengthen the generation, management, and use of high-quality data to inform decisions and improve program quality.