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Toyin Ajayi

Toyin Ajayi

CEO & Founder, director at Cityblock Health.

ExecutiveDirector
Updated Nov 11, 2026·Latest SEC filing Sep 25, 2026·Suggest an edit

About Toyin Ajayi

Toyin Ajayi is CEO & Founder, director at Cityblock Health.

Toyin Ajayi first appears on SEC filings in 2020.

Experience

This experience comes from Toyin Ajayi's profile and from SEC filings. For roles taken from filings, the years are when the filings name Toyin Ajayi in the role, so the role may have started earlier or lasted longer.

Evolent Current
Member Board of Directors
2023 – Present
The Aspen Institute Current
2023 Henry Crown Fellow
2023 – Present
Coalition Operators Current
Co-founder, General Partner
2020 – Present
Cityblock Health, Inc. Current
CEO & Founder, director
Co-founder and CEO (2017 – Present)
2017 – Present · Brooklyn, NY
Cityblock provides health and social care to Medicaid and Medicare beneficiaries.
Sidewalk Labs
Chief Health Officer - Care Lab
2017
Commonwealth Care Alliance
Chief Medical Officer
2013 – 2017
Boston University / Boston Medical Center
Family Medicine Hospitalist, Clinical Instructor, Global Health Fellow
2012 – 2013

Key Colleagues at Startups

The people Toyin Ajayi works with at each company, as listed on that company's latest Form D.

Cityblock Health, Inc. · Form D, Sep 25, 2026
SB
Susan Brown
Chief Administrative Officer
CB
CB
KD
MS
JE
Jeff Epstein
Director
AS
Andy Slavitt
Director

Sources

  1. SECCityblock Health, Inc. Form D, filed Sep 25, 2026
  2. bioToyin Ajayi photo on Cityblock's about page