Yemaachi Biotechnology

Yemaachi Biotechnology is a precision oncology company applying immunogenomics, bioinformatics, and AI to develop cancer diagnostics and treatments specifically calibrated for African and African-descent populations — addressing the critical gap in oncology research where most cancer data and therapies have been developed on predominantly European-ancestry patient populations, leaving African patients underserved by current diagnostic tools and treatment protocols. Founded and backed by Y Combinator, Yemaachi is based in Accra, Ghana and has raised $29+ million including a $25 million Cancer Grand Challenges award and a $3 million seed round led by V8 Capital.\n\nYemaachi's research platform combines the collection of cancer genomics data from African patients (building one of the largest African cancer biobanks) with AI analysis to identify genomic variants, immune signatures, and biomarkers specific to African populations. This enables the development of diagnostic tests calibrated for African-specific tumor biology and the identification of therapeutic targets that may differ from European-ancestry cancer drivers. The company launched the Sheba HPV Test in Ghana (cervical cancer screening) and is partnering with Roche on The African Cancer Atlas — a comprehensive genomic characterization of cancer across Africa.\n\nIn 2025, Yemaachi operates at the intersection of oncology research, diagnostics, and population genomics for an underserved market. Cancer is a growing health crisis across sub-Saharan Africa, where late-stage diagnosis is the norm due to limited screening infrastructure and the poor sensitivity of Western-developed tests on African patients. Yemaachi's approach — building African-specific cancer intelligence — positions the company as both a research institution and a commercial diagnostics provider. The 2025 strategy focuses on expanding the African Cancer Atlas partnership with Roche, launching additional HPV and cancer screening products across West Africa, and partnering with global pharma companies seeking to include African populations in clinical trials.