
Research Assistant Professor
Learning Health Sciences
[email protected]
Available to mentor
Geoffrey Siwo

Research Assistant Professor
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Postdoctoral FellowUniversity of Pennsylvania, Perelman School of Medicine, 2015
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Research AssociateDartmouth College, Geisel School of Medicine, 2015
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PhDUniversity of Notre Dame, 2014
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BscEgerton University, 2005
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Center MemberInstitute for Healthcare Policy and Innovation
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Center MemberPrecision Health Initiative
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Center Membere-Health and Artificial Intelligence Initiative
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Desalegn H, Yang X, Yen Y-S, Berhe N, Kenney B, Siwo GH, Tang W, Zhu J, Waljee AK, Johannessen A. Hepatol Commun, 2024 Dec 1; 8 (12):Journal ArticleMachine-learning methodologies to predict disease progression in chronic hepatitis B in Africa.
DOI:10.1097/HC9.0000000000000584 PMID: PMC11567701 -
Siwo GH, Singal AG, Waljee AK. 2024 Mar 4;PreprintPan-cancer molecular signatures connecting aspartate transaminase (AST) to cancer prognosis, metabolic and immune signatures.
DOI:10.1101/2024.03.01.582939 PMID: 38496547 -
Rego RT, Zhukov Y, Reneau KA, Pienta A, Rice KL, Brady P, Siwo GH, Wachira PW, Abubakar A, Kollman K, Waljee AK. BMC Med Res Methodol, 2023 Nov 24; 23 (1): 278Journal ArticlePromoting data harmonization to evaluate vaccine hesitancy in LMICs: approach and applications.
DOI:10.1186/s12874-023-02088-z PMID: PMC10668461 -
Rego RT, Kenney B, Ngugi AK, Espira L, Orwa J, Siwo GH, Sefa C, Shah J, Weinheimer-Haus E, Sophie Delius AJ, Pape UJ, Irfan FB, Abubakar A, Shah R, Wagner A, Kolars J, Boulton ML, Hofer T, Waljee AK. Vaccine, 2023 Jan 27; 41 (5): 1161 - 1168.Journal ArticleCOVID-19 vaccination refusal trends in Kenya over 2021.
DOI:10.1016/j.vaccine.2022.12.066 PMID: PMC9808414 -
Rego RT, Reneau K, Zhukov Y, Rice K, Brady P, Siwo G, Kollman K, Odero S, Mokaya M, Abubakar A, Pienta A, Waljee AK. 2022 Dec 19; Research Square,PreprintEvaluating Self-Reported Vaccination Hesitancy in Mobile Phone Surveys Performed in LMICs: Learned Lessons from Data in Four Low and Middle Income Countries
DOI:10.21203/rs.3.rs-2326701/v1 -
Cohen-Mekelburg S, Van T, Yu X, Costa DK, Manojlovich M, Saini S, Gilmartin H, Admon AJ, Resnicow K, Higgins PDR, Siwo G, Zhu J, Waljee AK. PLoS One, 2022 17 (12): e0279441Journal ArticleUnderstanding clinician connections to inform efforts to promote high-quality inflammatory bowel disease care.
DOI:10.1371/journal.pone.0279441 PMID: PMC9794045 -
Rego R, Zhukov Y, Reneau K, Pienta A, Rice K, Brady P, Siwo G, Wachira PW, Abubakar A, Kollman K, Waljee AK. 2022 Nov 1; Research Square,PreprintPromoting Data Harmonization to Evaluate Vaccine Hesitancy in LMICs: Approach and Applications
DOI:10.21203/rs.3.rs-2222419/v1 -
Waljee AK, Weinheimer-Haus EM, Abubakar A, Ngugi AK, Siwo GH, Kwakye G, Singal AG, Rao A, Saini SD, Read AJ, Baker JA, Balis U, Opio CK, Zhu J, Saleh MN. Gut, 2022 Jul; 71 (7): 1259 - 1265.Journal ArticleArtificial intelligence and machine learning for early detection and diagnosis of colorectal cancer in sub-Saharan Africa.
DOI:10.1136/gutjnl-2022-327211 PMID: PMC9177787