Frederick and Katherine Yaffe Foundation
Frederick and Katherine Yaffe Foundation is a private foundation, based in Bloomfield Hills, MI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $65K in total assets. In 2024, it awarded 2 grants totaling $30K. Net investment income was $3K.
Frederick and Katherine Yaffe Foundation at a glance
In short: Frederick and Katherine Yaffe Foundation gave $30K across 2 grants in 2024 (avg $15K), mostly in Michigan. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $30,000
- +50.0% vs 2023
- Grants made (2024)
- 2
- +100.0% vs 2023
- Average grant
- $15,000
- -25.0% vs 2023
- Median grant
- $15,000
- Total assets
- $65,387
- -11.3% vs 2023
- Primary geography
- Michigan (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who Frederick and Katherine Yaffe Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was Jewish Federation ($20K). Together the top 2 received $30K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 6 grants of 6 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
States
Cities
How Frederick and Katherine Yaffe Foundation gives
- Giving grew 50% from 2021 to 2024. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $20K (2020) to $30K (2024). In 2024 it made 2 grants totaling $30K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jewish Federation Bloomfield Hills, MI | Charitable | $20,000 |
| Cornwell Health Foundation Southfield, MI | Charitable | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2024 | $65,387 | $22,720 | $31,011 | $30,000 | 2 | $30,000 | $2,720 |
| 2023 | $73,678 | $22,610 | $20,970 | $20,000 | 1 | $20,000 | $2,610 |
| 2022 | $72,018 | $20,784 | $21,140 | $20,000 | 1 | $20,000 | — |
| 2021 | $72,184 | $73,623 | $23,190 | $20,000 | 1 | $20,000 | — |
| 2020 | $21,751 | $40,000 | $21,699 | $20,000 | 1 | — | — |
Leadership & Key People
Officers and directors from IRS filings
Frederick and Katherine Yaffe Foundation is led by Katherine Yaffe, President & Director on every filing since 2020; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Katherine Yaffe
President & Director
On filings since 2020
No compensation reported
John Cassidy
Treasurer & Director
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Frederick and Katherine Yaffe Foundation
How much does Frederick and Katherine Yaffe Foundation give each year?
Frederick and Katherine Yaffe Foundation gave $30K across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $20K across 1 grant.
How large is Frederick and Katherine Yaffe Foundation?
Frederick and Katherine Yaffe Foundation reported $65K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $23K.
Where does Frederick and Katherine Yaffe Foundation operate?
Frederick and Katherine Yaffe Foundation has awarded grants in Michigan.
What is Frederick and Katherine Yaffe Foundation's EIN?
Frederick and Katherine Yaffe Foundation's EIN (Employer Identification Number) is 38-3232086. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 8, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 2, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS September 28, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 5, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 5, 2025)
- IRS filings on file for fiscal years 2020–2024
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