Maureen & Mike Mansfield Foundation
The maureen and mike mansfield foundation is an independent 501(c)3 organization that promotes understanding and cooperation among the nations and peoples of asia and the united states. Maureen and mike mansfield's values, ideals and vision for U.S.-asia relations continue through the foundation's exchanges, dialogues and publications, which create networks among U.S. and asian leaders, explore the underlying issues influencing public policies, and increase awareness about the nations and peoples of asia. The foundation receives support from individuals, corporations and philanthropic organizations. It also provides support to the maureen and mike mansfield center at the university of Montana.
Maureen & Mike Mansfield Foundation at a glance
In short: Maureen & Mike Mansfield Foundation gave $196K across 1 grant in 2025 (avg $196K), mostly in Montana. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $196,133
- +102.1% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $196,133
- +102.1% vs 2024
- Median grant
- $196,133
- Total assets
- $18,305,386
- -3.8% vs 2024
- Primary geography
- Montana (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
How to apply to Maureen & Mike Mansfield Foundation
Open Grants
3 open opportunities from Maureen & Mike Mansfield Foundation
Mansfield-PhRMA Research Scholars Program
Maureen & Mike Mansfield Foundation
Amount
Varies
Deadline
Deadline not published
Mike Mansfield Fellowship Program
Maureen & Mike Mansfield Foundation
Amount
Varies
Deadline
Deadline not published
U.S.-Japan Network for the Future
Maureen & Mike Mansfield Foundation
Amount
Varies
Deadline
Deadline not published
Who Maureen & Mike Mansfield Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was The Mansfield Center at the University of Montana ($196K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $100–250K range: 4 grants of 5 (80%).
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 Maureen & Mike Mansfield Foundation gives
- Giving held roughly steady from 2022 to 2025 (+9%). 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 2019 to 2025, annual grant giving ranged from $97K (2024) to $196K (2023). In 2025 it made 1 grant totaling $196K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Mansfield Center at the University of Montana Missoula, MT | General support for the mansfield center at the university of Montana. | $196,133 |
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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 | $18,305,386 | $4,430,124 | $4,975,050 | $196,133 | 1 | $477,454 |
| 2024 | $19,029,847 | $3,829,137 | $4,294,679 | $97,057 | 1 | $424,499 |
| 2023 | $21,513,463 | $3,850,908 | $4,656,447 | $196,217 | 1 | $37,249 |
| 2022 | $18,123,085 | $2,819,636 | $3,171,225 | $179,200 | 1 | $12,356 |
| 2021 | $17,064,988 | $4,502,562 | $1,923,374 | $166,604 | 1 | $3,080,365 |
| 2019 | $19,066,359 | $2,833,545 | $3,040,827 | $171,191 | 1 | $271,951 |
About Maureen & Mike Mansfield Foundation
Based on IRS filings
Maureen & Mike Mansfield Foundation is a public charity focused on International, Foreign Affairs & National Security, based in Missoula, MT. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $18.3M in total assets. In 2025, it awarded 1 grant totaling $196K. Net investment income was $477K.
Leadership & Key People
Officers and directors from IRS filings
Maureen & Mike Mansfield Foundation is led by Frank S. Jannuzi, President since 2021 (on filings since 2019); 2 of 20 officers listed in 2025 are compensated.
Officers on the 2025 filing
Frank S. Jannuzi
President
Executive Director → President, 2021
On filings since 2019
40 hrs/week
$194K (2019) → $245K (2025)
Gerald L. Curtis
Chairperson
On filings since 2019
1 hr/week
No compensation reported
Sara Harriger
Vice President
On filings since 2024
40 hrs/week
$117K (2025)
Alicia Ogawa
Member
On filings since 2019
1 hr/week
No compensation reported
Amb Christopher J. Lafleur
Vice Chairman
On filings since 2019
1 hr/week
No compensation reported
Amb John Roos
Member
On filings since 2019
1 hr/week
No compensation reported
Amy Jackson
Member
On filings since 2019
1 hr/week
No compensation reported
Rust Deming
Member
On filings since 2019
1 hr/week
No compensation reported
Seth Bodnar
Member
On filings since 2019
1 hr/week
No compensation reported
Shigeru Hayakawa
Member
On filings since 2019
1 hr/week
No compensation reported
William Breer
Member
On filings since 2019
1 hr/week
No compensation reported
Amb Kurt Tong
Member
On filings since 2021
1 hr/week
No compensation reported
Ko-Yung Tung
Member
On filings since 2021
1 hr/week
No compensation reported
Larik Hall
Treasurer
Member → Treasurer, 2024
On filings since 2021
1 hr/week
No compensation reported
Mark Siegel
Member
On filings since 2022
1 hr/week
No compensation reported
Nobuko Sasae
Member
On filings since 2022
1 hr/week
No compensation reported
Teruko Wada
Member
On filings since 2022
1 hr/week
No compensation reported
Catherine Sasanuma
Member
On filings since 2024
1 hr/week
No compensation reported
Megan Myungwon Lee
Member
On filings since 2024
1 hr/week
No compensation reported
Shin-Wha Lee
Member
On filings since 2024
1 hr/week
No compensation reported
Former officers (6)
- Former: Benjamin Self (2019–2024) — Vice President
- Former: Mary D. Byron (2019–2023) — Treasurer
- Former: Masato Nakamura (2019–2023) — Member
- Former: Cheol-Hee Park (2022) — Member
- Former: L. Desaix Anderson (2019) — Member
- Former: Sachiko Kuno (2019) — Member
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 $245K, to Frank S Jannuzi (President). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Maureen & Mike Mansfield Foundation
How much does Maureen & Mike Mansfield Foundation give each year?
Maureen & Mike Mansfield Foundation gave $196K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $97K across 1 grant.
How large is Maureen & Mike Mansfield Foundation?
Maureen & Mike Mansfield Foundation reported $18.3M in total assets on its 2025 IRS Form 990. Its revenue that year was $4.4M.
What is Maureen & Mike Mansfield Foundation?
Maureen & Mike Mansfield Foundation is a public charity focused on International, Foreign Affairs & National Security, based in Missoula, MT. It holds $18.3M in total assets as of 2025.
Where does Maureen & Mike Mansfield Foundation operate?
Maureen & Mike Mansfield Foundation has awarded grants in Montana.
What is Maureen & Mike Mansfield Foundation's EIN?
Maureen & Mike Mansfield Foundation's EIN (Employer Identification Number) is 81-0411708. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS November 10, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS December 21, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 14, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
- Added Form 990 for fiscal year 2019 (received by the IRS May 5, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS May 13, 2026)
- IRS filings on file for fiscal years 2021–2024
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