Dr. Amon Exavery | Longitudinal impact evaluation methods for non-experimental interventions | Best Researcher Award

Pact Tanzania

Dr. Amon Exavery is a distinguished statistician and public health researcher with over 15 years of professional experience in research, evaluation, and learning. He holds a Ph.D. in Statistics from the University of Dodoma, an MSc in Population-based Field Epidemiology from the University of the Witwatersrand, South Africa, and a BA in Statistics from the University of Dar es Salaam. Currently serving as the Senior Research and Learning Advisor at Pact Tanzania, he has led large-scale health and social service research projects, including the ACHIEVE and Kizazi Kipya programs—the largest OVC initiatives in Africa. His expertise spans quantitative and qualitative methodologies, impact evaluation, statistical modeling, and capacity building for data-driven decision-making. Dr. Exavery’s research interests include HIV/AIDS, OVC programming, WASH, malaria, nutrition, family planning, gender inclusion, reproductive and child health, and sustainable livelihoods. He has authored over 40 peer-reviewed publications and presented at numerous international conferences. His analytical leadership has influenced public health strategies and policies across sub-Saharan Africa. Dr. Exavery has also provided consultancy services to WHO, Columbia University, NAS, and other institutions, reflecting his global contribution to evidence-based health programming. His career exemplifies excellence in applying data science to advance public health and social development outcomes.

Profile: ORCID

Featured Publications

Exavery, A., Kirigiti, P. J., Balan, R. T., & Charles, J. (2026, February). Enhancing longitudinal impact evaluation of non-experimental interventions: A comparative analysis of generalized estimating equations and multilevel models based on empirical evaluation of temporal change in food security following an economic empowerment intervention. Evaluation and Program Planning, 107, 102722.

Exavery, A., Kirigiti, P. J., Balan, R. T., & Charles, J. (2025). Determinants of participation in WORTH Yetu economic empowerment intervention among caregivers of orphaned and vulnerable children in Tanzania: A longitudinal multivariable logistic regression analysis. Social Sciences & Humanities Open, 15, 101959.

Exavery, A., Kirigiti, P. J., Balan, R. T., & Charles, J. (2024, August). Longitudinal evaluation of the influence of WORTH Yetu on household economic status based on the count of non-asset resources for orphaned and vulnerable children’s well-being in Tanzania. Child Indicators Research, 17, 10133–10145.

Exavery, A., Katbi, M., Kirigiti, P. J., Balan, R. T., & Charles, J. (2024, April 16). Multivariate mixed-effects ordinal logistic regression models with difference-in-differences estimator of the impact of WORTH Yetu on household hunger and socioeconomic status among OVC caregivers in Tanzania. PLOS ONE, 19(4), e0301578.

Exavery, A., Alam, K., Charles, J., Barankena, A., Bajaria, S., Minja, E., Mulikuza, J., Mbwambo, T., Ally, A., Mseya, R., & others. (2022, February 25). Impact of household economic strengthening intervention on food security among caregivers of orphans and vulnerable children in Tanzania. PLOS ONE, 17(2), e0264315.

Mr. Williams Ampadu Oduro | Decision-making and Problem-solving | Best Researcher Award

Akuapem North Municipal Assembly | Ghana

Williams A. Oduro is an environmental health and public health researcher with a strong academic foundation in Environmental Science (BSc) and Public Health (MPH) from the University of Ghana. His expertise lies in the intersection of environmental pollution, water, sanitation, and hygiene (WASH), with particular emphasis on risk assessment, environmental monitoring, and sustainable remediation strategies. Over the past five years, he has developed extensive experience in environmental health and safety, conducting studies on pollution exposure, disease prevention, and healthcare-seeking behaviors. He has enhanced his expertise through advanced training, including certifications in project management, pandemic preparedness, e-waste management, and process plant operations. His research interests extend to geospatial analysis and hazard management, where he aims to integrate scientific innovation into sustainable health interventions. Recognized for his contributions, he has received professional training awards and actively collaborates in interdisciplinary projects that address environmental and public health challenges. With a growing record of research in WASH, occupational health, and environmental pollution, his future goals include advancing evidence-based strategies for public health resilience, environmental sustainability, and global health security. His work reflects a commitment to improving human well-being while addressing critical environmental issues that shape health outcomes.

Featured Publications

Frimpong, S., & Oduro, W. A. (2025). Trend analysis of compensation-eligible work-related injuries among workers in the Tema Free Zones Enclave and heavy industrial area. Next Research, 100803.

Adom-Miah, I., Oduro, W. A., Appiah, D. B., & Nortey, T. (2025). Risk factors of preterm birth in Greater Accra Regional Hospital, Ridge. Global Pediatrics, 11, 100247.

Appiah, D. B., Oduro, W. A., & Lardy, L. A. A. (2024). Healthcare-seeking behaviour for schistosomiasis-related signs and symptoms in Ghana’s capital.

Adom-Miah, I., Oduro, W. A., Nortey, T., & Appiah, D. (2025). Assessing risk factors for preterm birth at Ridge Hospital in Ghana’s capital. Global Pediatrics. Advance online publication.

Adom-Miah, I., Oduro, W. A., Appiah, D. B., & Nortey, T. (2025). Global Pediatrics.

Acquah, M. E., & Oduro, W. A. (2025). Determinants of postnatal depression among mothers seeking care at a district-level hospital.