Garfield G Duncan Research
The goal of the foundation is the improved health of people with diabetes by providing education and research.
Garfield G Duncan Research at a glance
In short: Garfield G Duncan Research gave $16K across 1 grant in 2025 (avg $16K), mostly in Pennsylvania. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $16,000
- -73.3% vs 2024
- Grants made (2025)
- 1
- -50.0% vs 2024
- Average grant
- $16,000
- -46.7% vs 2024
- Median grant
- $16,000
- Total assets
- $133,350
- -7.8% vs 2024
- Primary geography
- Pennsylvania (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Garfield G Duncan Research funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Thomas Jefferson University ($16K).
Grant Size Distribution
9 grants across all recorded years
The most common grant size was under $50K: 9 grants of 9 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Garfield G Duncan Research gives
- Giving fell 68% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $16K (2025) to $60K (2024). In 2025 it made 1 grant totaling $16K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Thomas Jefferson University Philadelphia, PA | See Part IV | $16,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $133,350 | $5,076 | $26,899 | $16,000 | 1 | — |
| 2024 | $144,574 | $10,666 | $81,400 | $60,000 | 2 | $2,798 |
| 2023 | $208,897 | $12,964 | $88,005 | $50,000 | 2 | $2,520 |
| 2022 | $262,323 | $16,657 | $89,730 | $50,000 | 2 | $6,289 |
| 2021 | $388,739 | $21,115 | $92,335 | $55,000 | 2 | $9,990 |
| 2020 | $427,530 | $22,077 | $88,589 | $55,000 | 2 | $9,801 |
About Garfield G Duncan Research
Based on IRS filings
Garfield G Duncan Research is a public charity, based in Haverford, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $133K in total assets. In 2025, it awarded 1 grant totaling $16K.
Leadership & Key People
Officers and directors from IRS filings
Garfield G Duncan Research is led by Ellen Funk, President since 2021 (on filings since 2020); none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Ellen Funk
President
Treasurer → President, 2021
On filings since 2020
No compensation reported
Anthony J. Turner
Board Member
Board Member → Secretary, 2021
Secretary → Board Member, 2025
On filings since 2020
No compensation reported
Carolyn Duncan Stern
Treasurer
President → Treasurer, 2021
On filings since 2020
No compensation reported
Sharon Duncan-Sylvia
Vice President
On filings since 2020
No compensation reported
Susan G. Miller
Secretary
Board Member → Secretary, 2025
On filings since 2023
No compensation reported
Former officers (2)
- Former: Father Daniel Doyle (2020–2022) — Board Member
- Former: David P. Brown III (2020) — Secretary
Data from IRS Form 990 filings, 2020–2025. "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 Garfield G Duncan Research
How much does Garfield G Duncan Research give each year?
Garfield G Duncan Research gave $16K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $60K across 2 grants.
How large is Garfield G Duncan Research?
Garfield G Duncan Research reported $133K in total assets on its 2025 IRS Form 990. Its revenue that year was $5K.
Where does Garfield G Duncan Research operate?
Garfield G Duncan Research has awarded grants in Pennsylvania.
What is Garfield G Duncan Research's EIN?
Garfield G Duncan Research's EIN (Employer Identification Number) is 23-1682363. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS June 2, 2022)
- Updated Form 990 for fiscal year 2021 (received by the IRS August 11, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS February 19, 2024)
- Updated Form 990 for fiscal year 2023 (received by the IRS September 11, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS July 10, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS July 13, 2026)
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