Faculty

Grace C. John-Stewart

Professor, Epidemiology
Professor, Global Health
Professor, Medicine - Allergy and Infectious Dis.
Professor, Pediatrics
Director, Global Center for the Integrated Health of Women, Adolescents, & Children, Global Health

206-543-4278

Education

MD Medicine, University of Michigan, 1987
MPH Epidemiology, University of Washington, 1995
PhD Epidemiology, University of Washington, 2000

Contact

206-543-4278

Global Center for Integrated Health of Women, Adolescents and Children (Global WACh)
325 9th Avenue, Box 359909
Seattle, WA 98104

Research Areas

Research Interests

Dr. Grace John-Stewart is a Professor of Global Health, Medicine, Epidemiology, and Pediatrics at the University of Washington. Her interests include prevention of mother-to-child transmission of HIV (PMTCT), improving outcomes for children with HIV, and addressing relevant co-infections that affect women and children with HIV (including TB, pneumonia, diarrhea, CMV). Dr. John-Stewart has published over 275 peer-reviewed articles. Her research is based in Kenya and includes molecular epidemiologic studies, clinical trials, implementation science studies, and program evaluations focused on HIV and maternal child health. She received the Elizabeth Glaser Scientist Award for research on mother-to-child transmission of HIV. Dr. John-Stewart has mentored numerous trainees, received a K24 Mentorship Award, and received a UW School of Medicine mentorship award. She is the Director of the UW CFAR International Core and the UW Global Center for Integrated Health of Women, Adolescents and Children (Global WACh).

Recent Publications (PubMed)

Getting to zero: when can we guarantee vertical transmission of HIV will not occur?
(2025 Jul 10)
Lancet
John-Stewart G, Njuguna I
Effect of diet video-drama and telephone messages on improving parental knowledge and diet diversity of malnourished children in Kenya: A randomised controlled trial.
(2025)
PLOS Glob Public Health 5(7): e0004818
Mutai BC, Were F, Aluvaala J, John-Stewart G, Maleche-Obimbo E
Data-informed Stepped Care (DiSC) to improve adolescent and young adult HIV care outcomes in Kenya: a cluster randomized trial.
(2025 Jul)
J Int AIDS Soc 28 Suppl 3(Suppl 3): e26501
Kohler P, Jiang W, Badia J, Kibugi J, Dyer J, Kadima J, Oketch D, Beima-Sofie K, Hicks S, Richardson BA, Inwani I, Shah SK, Agot K, John-Stewart G
The Untapped Power of Fathers in Families Affected by HIV.
(2025 Jun 11)
Pediatrics
Bulterys MA, Siu G, Mujugira A, John-Stewart G
Cofactors of earlier uptake of modern postpartum family planning methods in Kenya.
(2025)
PLOS Glob Public Health 5(6): e0004353
Ngumbau NM, Kimonge D, Dettinger JC, Abuna F, Odhiambo B, Gómez L, Wagner AD, Marwa MM, Watoyi S, Nzove E, Pintye J, Baeten JM, Kinuthia J, John-Stewart G, Mugo C
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