Foundation for Nuclear Studies
The organization provides a forum for the discussion of nuclear technologies with the objective of helping policymakers to make informed decisions regarding nuclear technology issues.
Foundation for Nuclear Studies at a glance
In short: Foundation for Nuclear Studies reported $10K in grants paid in 2024 (a total; its filing lists no individual grants). Source: 2024 IRS Form 990.
- Grants paid (2024)
- $10,000 — reported as a total on the IRS filing, without an itemized list
- +53.8% vs 2023
- Total assets
- $283,212
- -7.1% vs 2023
- Revenue (2024)
- $244,394
- +6.0% vs 2023
- Net investment income (2024)
- $12
- -87.0% vs 2023
- Expenses (2024)
- $276,127
- +8.9% vs 2023
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated October 2026.
Who Foundation for Nuclear Studies funds
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was under $50K: 1 grant of 1 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $7K (2023) to $10K (2024). In 2024 it reported $10K in grants paid, as a total without an itemized list.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The American Nuclear Society Downers Grove, IL | General Support | $7,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $283,212 | $244,394 | $276,127 | $10,000 | Total only | $12 |
| 2023 | $304,945 | $230,497 | $253,537 | $6,500 | Total only | $92 |
| 2022 | $327,985 | $221,877 | $233,111 | $7,000 | 1 | $16 |
| 2021 | $339,219 | $183,506 | $85,953 | — | — | — |
| 2020 | $241,666 | $208,765 | $165,348 | — | — | $15 |
| 2019 | $198,249 | $156,046 | $239,598 | — | — | $46 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About Foundation for Nuclear Studies
Based on IRS filings
Foundation for Nuclear Studies is a public charity focused on Science & Technology, based in Washington, DC. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $283K in total assets. In 2024, it reported $10K in grants paid as a total on its IRS filing, without an itemized list. Net investment income was $12.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Foundation for Nuclear Studies is led by Leeann Petersen, Executive Director on every filing since 2022; none of the 11 officers listed in 2024 report compensation.
Officers on the 2024 filing
Leeann Petersen
Executive Director
On filings since 2022
20 hrs/week
No compensation reported
Maria Korsnick
Chair
President & Board Chair → Board Member, 2021
Board Member → Chair, 2022
On filings since 2019
0.5 hrs/week
No compensation reported
Ellen Ginsberg
Treasurer
Treasurer & Clerk → Treasurer, 2021
On filings since 2019
0.5 hrs/week
No compensation reported
Jack Edlow
Board Member
On filings since 2019
0.5 hrs/week
No compensation reported
John Hopkins
Board Member
On filings since 2019
0.5 hrs/week
No compensation reported
Mark Peters
Board Member
On filings since 2019
0.5 hrs/week
No compensation reported
Charles Pardee
Board Member
On filings since 2020
0.5 hrs/week
No compensation reported
Kathleen Barron
Board Member
On filings since 2021
0.5 hrs/week
No compensation reported
Neil Chatterjee
Board Member
On filings since 2022
0.5 hrs/week
No compensation reported
Todd Allen
Board Member
On filings since 2022
0.5 hrs/week
No compensation reported
Bryan Anderson
Board Member
On filings since 2023
0.5 hrs/week
No compensation reported
Former officers (11)
- Former: Chip Pardee (2019–2022) — Board Member
- Former: Jackie Siebens (2022) — Board Member
- Former: David Christian (2019–2021) — Board Member
- Former: Andy Klein (2021) — Board Member
- Former: Helen Milby See Sched O. (2021) — Executive Director
- Former: Leeann Petersen See Sched O. (2021) — Executive Director
- Former: Lisa Van Varick See Sched O. (2021) — Interim Executive Director
- Former: Andrew Klein (2019–2020) — Board Member & Audit Chair
- Former: Helen Milby (2019–2020) — Executive Director
- Former: Mike Pacilio (2019–2020) — Board Member
- Former: Richard Meserve (2019–2020) — Board Member
Data from IRS Form 990 filings, 2019–2024. "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 Foundation for Nuclear Studies
How much does Foundation for Nuclear Studies give each year?
Foundation for Nuclear Studies reported $10K in grants paid in 2024 on its 2024 IRS Form 990, as a total without an itemized list of grants. In 2023 it reported $7K in grants paid.
How large is Foundation for Nuclear Studies?
Foundation for Nuclear Studies reported $283K in total assets on its 2024 IRS Form 990. Its revenue that year was $244K.
What is Foundation for Nuclear Studies?
Foundation for Nuclear Studies is a public charity focused on Science & Technology, based in Washington, DC. It holds $283K in total assets as of 2024.
Where does Foundation for Nuclear Studies operate?
Foundation for Nuclear Studies has awarded grants in Illinois.
What is Foundation for Nuclear Studies's EIN?
Foundation for Nuclear Studies's EIN (Employer Identification Number) is 52-2236921. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated October 2026. Sourced from IRS Form 990 filings.
Data update history
(5)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS July 7, 2020)
- Updated Form 990 for fiscal year 2022 (received by the IRS October 31, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 13, 2025)
- IRS filings on file for fiscal years 2020–2024
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