Stephanie Horsfall
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About
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Biography
Stephanie Horsfall (she/her) is a third-year PhD student in the Health Policy and Management department with a policy analysis concentration. Her work takes an interdisciplinary approach to investigate power dynamics between individuals, organizations, and state government agencies to determine and implement health policies. Before her graduate studies, she served as a Research Assistant at the Medical Practice Evaluation Center at Massachusetts General Hospital, where she collaborated with non-profit organizations and program implementation experts to investigate the cost-effectiveness of novel HIV interventions for mothers and children across international settings.
Last Updated on September 18, 2025.
Departments & Organizations
- SCALE Medicaid Lab
Education & Training
- BS
- Yale University, Molecular, Cellular, and Developmental Biology (2021)
Research
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Overview
Public Health Interests
Community Engagement; Health Equity, Disparities, Social Determinants and Justice; Health Policy; Qualitative Methods
Publications
2025
Cost-effectiveness of broadly neutralizing antibodies for HIV prophylaxis for infants born in settings with high HIV burdens.
Alba C, Malhotra S, Horsfall S, Barnhart ME, Bekker A, Chapman K, Cunningham CK, Fast PE, Fouda GG, Freedberg KA, Goga A, Ghazaryan LR, Leroy V, Mann C, McCluskey MM, McFarland EJ, Muturi-Kioi V, Permar SR, Shapiro R, Sok D, Stranix-Chibanda L, Weinstein MC, Ciaranello AL, Dugdale CM. Cost-effectiveness of broadly neutralizing antibodies for HIV prophylaxis for infants born in settings with high HIV burdens. PLoS One 2025, 20: e0318940. PMID: 40106399, DOI: 10.1371/journal.pone.0318940.Peer-Reviewed Original Research
2024
Cost-effectiveness of viral load testing for transitioning antiretroviral therapy-experienced children to dolutegravir in South Africa: a modelling analysis.
Brenner IR, Flanagan CF, Penazzato M, Webb KA, Horsfall SB, Hyle EP, Abrams E, Bacha J, Neilan AM, Collins IJ, Desmonde S, Crichton S, Davies MA, Freedberg KA, Ciaranello AL. Cost-effectiveness of viral load testing for transitioning antiretroviral therapy-experienced children to dolutegravir in South Africa: a modelling analysis. Lancet Glob Health 2024, 12: e2068-e2079. PMID: 39577977, DOI: 10.1016/S2214-109X(24)00381-4.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
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Honors
honor Dean's Research Award
03/15/2023Yale University AwardYale School of Public Health
Get In Touch
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