USM Osher Map Library Foundation
USM Osher Map Library Foundation is a private foundation, based in Portland, ME. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $19.9M in total assets. In 2025, it awarded 2 grants totaling $580K. Net investment income was $1.6M.
USM Osher Map Library Foundation at a glance
In short: USM Osher Map Library Foundation gave $580K across 2 grants in 2025 (avg $290K), mostly in Maine. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $579,542
- +31.5% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $289,771
- +31.5% vs 2024
- Median grant
- $289,771
- Total assets
- $19,911,802
- +37.2% vs 2024
- Primary geography
- Maine (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who USM Osher Map Library Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was University of Southern Maine Foundation ($580K across 2 grants).
Grant Size Distribution
13 grants across all recorded years
The most common grant size was in the $100–250K range: 5 grants of 13 (38%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
Cities
How USM Osher Map Library Foundation gives
- Giving grew 118% from 2022 to 2025. Method
- In 2025 it paid out 77% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2021 to 2025, annual grant giving ranged from $139K (2021) to $580K (2025). In 2025 it made 2 grants totaling $580K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Southern Maine Foundation Portland, ME | USM Osher Map Library Foundation Gift Fund | $415,000 |
| University of Southern Maine Foundation Portland, ME | Osher Map Library Funding | $164,542 |
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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 | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $19,911,802 | $6,158,165 | $761,673 | $579,542 | 2 | $700,900 | $1,551,160 | $906,340 |
| 2024 | $14,515,310 | $4,638,162 | $25,591,310 | $440,584 | 2 | $541,803 | $702,167 | $715,263 |
| 2023 | $35,468,458 | $3,219,815 | $459,916 | $292,497 | 3 | $366,483 | $699,153 | $436,255 |
| 2022 | $32,708,559 | $6,832,813 | $395,890 | $266,186 | 3 | $373,054 | $4,892,618 | $282,963 |
| 2021 | $28,183,223 | $33,096,661 | $211,709 | $139,144 | 3 | $185,372 | $491,197 | $182,453 |
Under IRS private-foundation payout rules, USM Osher Map Library Foundation reported a distributable amount of $906K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
USM Osher Map Library Foundation is led by Joanne Yestramski, President since 2025 (on filings since 2021); none of the 16 officers listed in 2025 report compensation.
Officers on the 2025 filing
Joanne Yestramski
President
Director → Treasurer, 2022
Treasurer → President, 2025
On filings since 2021
3 hrs/week
No compensation reported
Martha Bentley - See Statement
Executive Director
New on the 2025 filing
10.1 hrs/week
No compensation reported
Adam Tuchinsky
Director
On filings since 2021
1 hr/week
No compensation reported
Emily Isaacson
Director
On filings since 2021
1 hr/week
No compensation reported
Joan G. Fischer
Director
On filings since 2021
1 hr/week
No compensation reported
Joel Bresler
Director
Vice President → President, 2023
President → Director, 2025
On filings since 2021
1 hr/week
No compensation reported
Robert Dodge
Director
Treasurer → Director, 2022
On filings since 2021
1 hr/week
No compensation reported
Robert Macdonald
Director
On filings since 2021
1 hr/week
No compensation reported
Ronald E. Grim
Director
On filings since 2021
1 hr/week
No compensation reported
Lyndel Joseph Wishcamper
Director
On filings since 2023
1 hr/week
No compensation reported
Adam Schmitt
Director
New on the 2025 filing
1 hr/week
No compensation reported
Elizabeth Zeeuw
Director
New on the 2025 filing
1 hr/week
No compensation reported
Kathy Kellerman
Director
New on the 2025 filing
1 hr/week
No compensation reported
Nancy Montgomery
Director
New on the 2025 filing
1 hr/week
No compensation reported
Harry Pringle
Clerk
On filings since 2021
1 hr/week
No compensation reported
David Erb
Treasurer
New on the 2025 filing
3 hrs/week
No compensation reported
Former officers (5)
- Former: Charlton Ames (2021–2024) — Director
- Former: Keva Wright-Berry (2021–2024) — Director
- Former: Martha Bentley (2021–2024) — Executive Director
- Former: Joseph Wishcamper (2021–2022) — President
- Former: Glenn Parkinson (2021) — President
Data from IRS Form 990 filings, 2021–2025. "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 USM Osher Map Library Foundation
How much does USM Osher Map Library Foundation give each year?
USM Osher Map Library Foundation gave $580K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $441K across 2 grants.
How large is USM Osher Map Library Foundation?
USM Osher Map Library Foundation reported $19.9M in total assets on its 2025 IRS Form 990-PF. It paid out $701K in qualifying distributions that year, against a required minimum of $906K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does USM Osher Map Library Foundation operate?
USM Osher Map Library Foundation has awarded grants in Maine, Texas.
What is USM Osher Map Library Foundation's EIN?
USM Osher Map Library Foundation's EIN (Employer Identification Number) is 84-3918658. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 2, 2026)
- IRS filings on file for fiscal years 2021–2024
Explore Open Grants
Browse active grant opportunities in USM Osher Map Library Foundation's focus areas in our free grants database
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