Endocrine Fellows Foundation
Endocrine Fellows Foundation is a private foundation, based in Marion, CT. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $527K in total assets. In 2025, it awarded 7 grants totaling $75K. Net investment income was $8K.
Key facts about Endocrine Fellows Foundation
In short: Endocrine Fellows Foundation gave $75K across 7 grants in 2025 (avg $11K), top state Massachusetts. Source: 2025 IRS Form 990-PF.
- EIN
- 95-4511639
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $75,000
- Grants made (2025)
- 7
- Average grant
- $10,714
- Median grant
- $10,000
- Total assets
- $527,120
- Primary geography
- Massachusetts (27% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$527K
-14.9% YoY
Annual Giving
$75K
-21.9% YoY
Grant Count
7
+16.7% YoY
Avg Grant Size
$11K
-33.0% YoY
Under IRS private-foundation payout rules, Endocrine Fellows Foundation reported a distributable amount of $29K for 2025 — the minimum it must pay out in qualifying distributions.
How Endocrine Fellows Foundation gives
- Giving fell 27% from 2022 to 2025. Method
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Open Grants
1 open opportunity from Endocrine Fellows Foundation
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $28K (2023) to $113K (2019). In 2025 it made 7 grants totaling $75K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Massachusetts General Hospital ($20K). Together the top 7 received $75K.
Grant Size Distribution
39 grants across all recorded years
The most common grant size was under $50K: 38 grants of 39 (97%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Massachusetts General Hospital Boston, MA | Research and education | $20,000 |
| Children's Hospital Colorado Aurora, CO | Research and education | $10,000 |
| Duke University Durham, NC | Research and education | $10,000 |
| Mayo Clinic Research Rochester, MN | Research and education | $10,000 |
| The Trustees of Columbia University in the City of New York City New York, NY | Research and education | $10,000 |
| University of Chicago Chicago, IL | Research and education | $10,000 |
| Yale University New Haven, CT | Research and education | $5,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $527,120 | $619,281 | $722,356 |
| Revenue | $464,410 | $428,566 | $526,180 |
| Expenses | $556,571 | $531,641 | $402,510 |
| Qualifying Distributions | $556,170 | $479,526 | $336,844 |
| Net Investment Income | $7,788 | $21,659 | $8,552 |
| Distributable Amount | $29,385 | $37,622 | $34,858 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 2, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 18, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 3, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 26, 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 May 1, 2024)
Leadership & Key People
Officers and directors from IRS filings
Endocrine Fellows Foundation is led by Jennifer Kirkwood, Executive Director on every filing since 2020; all 6 officers listed in 2025 are compensated.
Officers on the 2025 filing
Jennifer Kirkwood
Executive Director
On filings since 2020
15 hrs/week
$49K (2020) → $55K (2025)
Ricardo Correa MD EdD
President
Board Member → Treasurer & Secretary, 2024
Treasurer & Secretary → President, 2025
On filings since 2021
3 hrs/week
$3K (2022) → $8K (2025)
John P Bilezikian MD
Chair
On filings since 2019
6 hrs/week
$13K (2019) → $14K (2025)
Mark Stolar
Former President
President → Former President, 2025
On filings since 2019
2 hrs/week
$9K (2019) → $4K (2025)
Nalatie Nokoff MD MS
Secretary
Board Member → Secretary, 2025
On filings since 2024
3 hrs/week
$4K (2024) → $5K (2025)
Theodora Pappa MD PhD
Treasurer
Board Member → Treasurer, 2025
On filings since 2024
3 hrs/week
$4K (2024) → $5K (2025)
Former officers (3)
- Former: Annaswamy Raji MD (2019–2023) — Treasurer
- Former: Derek LeRoith MD PhD (2019–2023) — Board Member
- Former: April Duquette (2019–2020) — Executive Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $55K, to Jennifer Kirkwood (Executive Director). 6 officers or directors reported compensation on that filing.
Frequently asked questions about Endocrine Fellows Foundation
How much does Endocrine Fellows Foundation give each year?
Endocrine Fellows Foundation gave $75K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $96K across 6 grants.
What is Endocrine Fellows Foundation's typical grant size?
Endocrine Fellows Foundation's median grant in 2025 was $10,000, and its average grant was $10,714, across 7 grants on its 2025 IRS Form 990-PF.
Where does Endocrine Fellows Foundation give grants?
Endocrine Fellows Foundation's top state is Massachusetts, with 27% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Colorado (13%) and North Carolina (13%).
Does Endocrine Fellows Foundation give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on Endocrine Fellows Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Research and education" (7 grants).
Who are Endocrine Fellows Foundation's largest grantees?
Endocrine Fellows Foundation's largest 2025 grantees include Massachusetts General Hospital ($20,000), Children's Hospital Colorado ($10,000) and Duke University ($10,000), according to its 2025 IRS Form 990-PF. Together they received 53% of its itemized 2025 grant dollars.
How large is Endocrine Fellows Foundation?
Endocrine Fellows Foundation reported $527K in total assets on its 2025 IRS Form 990-PF. It paid out $556K in qualifying distributions that year, against a required minimum of $29K (roughly 5% of its investment assets).
What is Endocrine Fellows Foundation's EIN?
Endocrine Fellows Foundation's EIN (Employer Identification Number) is 95-4511639. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching Endocrine Fellows Foundation by hand.
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