Tambo Foundation
Tambo Foundation is a private foundation focused on Health, based in Avon, MA. IRS filing data is available from 2018 through 2025.
Tambo Foundation at a glance
- Revenue (2025)
- $13,847
- +201.0% vs 2024
- Expenses (2025)
- $12,446
- +59.0% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
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Financial History
Multi-year comparison from IRS filings
| Filing year | Revenue | Expenses |
|---|---|---|
| 2025 | $13,847 | $12,446 |
| 2024 | $4,600 | $7,826 |
| 2023 | $18,151 | $14,633 |
| 2022 | $2,250 | $2,132 |
| 2021 | $848 | $1,250 |
| 2020 | $5,768 | $7,459 |
Leadership & Key People
Officers and directors from IRS filings
Tambo Foundation is led by Oluwatoyin Adewumi, Director on every filing since 2018 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Oluwatoyin Adewumi
Director
On filings since 2018
20 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2018–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Tambo Foundation
What is Tambo Foundation?
Tambo Foundation is a private foundation focused on Health, based in Avon, MA.
What is Tambo Foundation's EIN?
Tambo Foundation's EIN (Employer Identification Number) is 82-2232320. IRS Form 990 filing data is available on this page for 2018–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 27, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS June 28, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 27, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 25, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS June 30, 2025)
- Added Form 990-PF for fiscal year 2018 (received by the IRS January 21, 2020)
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Figures come from Tambo Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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