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Yoneda Health

YC W20

San Francisco, US · 13 employees · 4 known investors

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Tambua Health makes a smartphone app that performs blood diagnostics without requiring a blood sample, providing results equivalent to a full blood panel.

Also known as Tambua Tech, Inc. · Tambua Health

HealthtechHealth TechUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W20)

LWLewis Wanjohi
Lewis WanjohiFounderLewis Wanjohi studied mathematics and computer science at MIT and is based in San Francisco, currently working on applied category theory and homotopy type theory at Tambua Health.
DG
Daniel GathigaiFounderformer
EK
Eric KirimaFounderuntil 2026

Investors · 4

Ventures Platformlisted by Ventures PlatformAbuja · $50K – $1M

How we know: Ventures Platform's portfolio page · press coverage · open dataset · 5k.vc investor directory · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

for Africas FuturereportedSeattle

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

OsmindOsmind is a public benefit corporation developing technology and research infrastructure to accelerate evidence-based mental health treatments, including therapies like ketamine, and to improve patient access to care.
AthelasAthelas develops software tools for private practice healthcare providers to reduce administrative burden, improve operational efficiency, and enhance patient scheduling and navigation capabilities.
Science ExchangeScience Exchange provides operational infrastructure for life sciences R&D, connecting organizations, suppliers, and workflows to streamline contracting, compliance, onboarding, and financial coordination across the research ecosystem.
SpecCheckSpecCheck provides software for opticians, optical labs, and their enterprise partners to manage order communication and lab operations. The platform replaces manual processes like faxed reports and phone calls with a digital workflow.
Fortuna HealthFortuna modernizes the infrastructure and consumer experience for Medicaid and government health programs. The company focuses on improving enrollment, eligibility verification, and access to coverage for Medicaid, CHIP, and Marketplace beneficiaries.

Companies working in the same space as Yoneda Health.

Legal entities · 1

corporate structure
Tambua Tech, Inc.

Frequently asked questions

What does Yoneda Health do?
Tambua Health makes a smartphone app that performs blood diagnostics without requiring a blood sample, providing results equivalent to a full blood panel.
Who founded Yoneda Health?
Yoneda Health was founded by Lewis Wanjohi.
Who are Yoneda Health's investors?
Yoneda Health's investors include Future Africa, Ventures Platform, Y Combinator, for Africas Future.
Where is Yoneda Health headquartered?
Yoneda Health is headquartered in San Francisco, US.