Nuclear Threat Initiative Inc
Nuclear Threat Initiative (NTI) is a nonpartisan, nonprofit organization dedicated to reducing nuclear, biological, and emerging technology threats imperiling humanity. NTI works to transform global security by developing and advancing practical, system level solutions that reduce catastrophic risks. NTI carries out its mission through policy development, technical analysis, stakeholder engagement, and the convening of government leaders, technical experts, the private sector, and international organizations. NTI's work aims to prevent the spread and use of the world's most dangerous weapons and technologies, strengthen global norms and governance, and reduce the risk of large-scale harm to people and societies worldwide.
Nuclear Threat Initiative Inc at a glance
In short: Nuclear Threat Initiative Inc gave $645K across 4 grants in 2025 (avg $161K), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $644,883
- +80.6% vs 2024
- Grants made (2025)
- 4
- -33.3% vs 2024
- Average grant
- $161,221
- +171.0% vs 2024
- Median grant
- $167,500
- Total assets
- $88,425,058
- -4.0% vs 2024
- Primary geography
- California (52% 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 Nuclear Threat Initiative Inc
Open Grants
1 open opportunity from Nuclear Threat Initiative Inc
Who Nuclear Threat Initiative Inc funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Brown University ($310K across 2 grants). Together the top 3 received $645K.
Grant Size Distribution
33 grants across all recorded years
The most common grant size was under $50K: 14 grants of 33 (42%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Nuclear Threat Initiative Inc gives
- Giving fell 28% 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 $357K (2024) to $2.3M (2020). In 2025 it made 4 grants totaling $645K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Brown University Providence, RI | Support for work performed on the Africa Health Security Index | $300,000 |
| Middlebury Institute of International Studies at Monterey Monterey, CA | Support to maintain research for NTI's website | $235,000 |
| Horizon 2045 Foundation Mill Valley, CA | Support for research work on disruptive legal and normative strategies to help shift the nuclear weapons system towards disarmament and prohibition. | $100,000 |
| Brown University Providence, RI | Support for work performed on the Africa Health Security Index | $9,883 |
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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 | $88,425,058 | $16,840,825 | $23,281,998 | $644,883 | 4 | $3,124,354 |
| 2024 | $92,105,358 | $19,649,784 | $26,073,759 | $357,000 | 6 | $4,038,731 |
| 2023 | $91,461,881 | $19,922,560 | $18,975,625 | $499,782 | 5 | $2,300,080 |
| 2022 | $91,138,952 | $14,097,360 | $19,486,859 | $898,573 | 9 | $269,739 |
| 2021 | $89,948,355 | $12,379,355 | $21,665,737 | $1,757,130 | 9 | $125,640 |
| 2020 | $99,105,311 | $14,889,914 | $23,145,623 | $2,250,407 | 13 | $751,166 |
About Nuclear Threat Initiative Inc
Based on IRS filings
Nuclear Threat Initiative Inc is a public charity focused on International, Foreign Affairs & National Security, based in Washington, DC. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $88.4M in total assets. In 2025, it awarded 4 grants totaling $645K. Net investment income was $3.1M.
Leadership & Key People
Officers and directors from IRS filings
Nuclear Threat Initiative Inc is led by Christine E Wormuth, President, CEO & Board of Directors on the 2025 filing; 19 of 41 officers listed in 2025 are compensated.
Officers on the 2025 filing
Christine E Wormuth
President, CEO & Board of Directors
New on the 2025 filing
45 hrs/week
$78K (2025)
Joan Rohlfing
President, COO & Board of Directors
On filings since 2020
45 hrs/week
$390K (2020) → $224K (2025)
Catherine O Gwin
Senior Director & Communications
On filings since 2020
40 hrs/week
$180K (2020) → $200K (2025)
Samantha Neakrase
Senior Director & Global Nuclear Policy Program
Senior Director Nuclear Materials Security → Senior Director & Strategic Initiatives, 2024
Senior Director & Strategic Initiatives → Senior Director & Global Nuclear Policy Program, 2025
On filings since 2020
40 hrs/week
$185K (2020) → $211K (2025)
Amy Hargrett
Chief Financial Officer, Treasurer & Vice President
Chief Financial Officer & Treasurer → Chief Financial Officer, Treasurer & Vice President, 2021
On filings since 2020
45 hrs/week
$229K (2020) → $366K (2025)
Carmen MacDougall
Senior Vice President & Acting Chief Operating Officer
Vice President Communications → Senior Vice President, 2021
Senior Vice President → Senior Vice President & Acting Chief Operating Officer, 2025
On filings since 2020
45 hrs/week
$245K (2020) → $380K (2025)
Desmond Browne
Vice Chairman & Board of Directors
On filings since 2020
4 hrs/week
$80K (2020) → $63K (2025)
Ernest J Moniz
Co-Chair & Board of Directors
Co-Chairman, Board of Directors & CEO → Co-Chair, Board of Directors & CEO, 2021
CEO, Co-Chair & Board of Directors → Co-Chair & Board of Directors, 2025
On filings since 2020
25 hrs/week
$411K (2020) → $441K (2025)
Jaime Yassif
Vice President, Global Biological Policy & Programs
Vice President Biological Policy & Programs → Vice President Global Biological Policy & Programs, 2023
Vice President Global Biological Policy & Programs → Vice President, Global Biological Policy & Programs, 2024
On filings since 2020
40 hrs/week
$179K (2020) → $287K (2025)
Margaret A Hamburg
Member of the Board of Directors
Interim Vice President, Global Biological Policy & Programs → Board Member, 2022
Board Member → Member of the Board of Directors, 2023
On filings since 2020
4 hrs/week
$119K (2021) → $0 (2025)
Sam Nunn
Strategic Advisor, Co-Chair & Board of Directors
Co-Chairman & Board of Directors → Co-Chair, Board of Directors & Strategic Advisor, 2021
On filings since 2020
10 hrs/week
$318K (2020) → $182K (2025)
Margaret W Hall
Vice President & Communications
Vice President Communications → Vice President & Communications, 2024
On filings since 2021
40 hrs/week
$179K (2021) → $244K (2025)
Scott Roecker
Vice President & Nuclear Materials Security
Deputy Vice President & Nuclear Materials Security → Vice President Nuclear Materials Security, 2022
Vice President Nuclear Materials Security → Vice President & Nuclear Materials Security, 2024
On filings since 2021
40 hrs/week
$178K (2021) → $274K (2025)
Hayley Severance
Deputy Vice President, Global Biological Policy & Programs
Deputy Vice President, Biological Policy & Programs → Deputy Vice President, Global Biological Policy & Programs, 2023
On filings since 2022
40 hrs/week
$202K (2022) → $216K (2025)
Eric Brewer
Deputy Vice President & Nuclear Materials Security
On filings since 2023
40 hrs/week
$180K (2023) → $206K (2025)
Hugh Sullivan
Vice President & Development
On filings since 2024
40 hrs/week
$113K (2024) → $233K (2025)
Alexandre Tiersky
Vice President & Government Relations
New on the 2025 filing
40 hrs/week
$169K (2025)
Dimtri Kusnezov
Vice President & Futuresafe
New on the 2025 filing
40 hrs/week
$285K (2025)
Douglas Shaw
Senior Advisor & Futuresafe
New on the 2025 filing
40 hrs/week
$194K (2025)
Paul Dean
Vice President & Global Nuclear Policy Program
New on the 2025 filing
40 hrs/week
$160K (2025)
Alexa Wesner
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Alexey Arbatov
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Gideon Frank
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Hamad Alkaabi
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
J Rutherford Seydel II
Corporate Secretary
On filings since 2020
4 hrs/week
No compensation reported
Jeong H Kim
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Laura Turner Seydel
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Michael A Peterson
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Michael G Mullen
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Nathalie Tocci
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Ray Rothrock
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
RE Turner III
Co-Chair & Board of Directors
Co-Chair & Board of Directors → Co-Chairman & Board of Directors, 2023
Co-Chairman & Board of Directors → Co-Chair & Board of Directors, 2024
On filings since 2020
4 hrs/week
No compensation reported
Ronald L Olson
Member of the Board of Directors
On filings since 2020
4 hrs/week
No compensation reported
Brooke D Anderson
Member of the Board of Directors
On filings since 2021
4 hrs/week
No compensation reported
Louis Salkind
Member of the Board of Directors
On filings since 2021
4 hrs/week
No compensation reported
Shirley Ann Jackson
Member of the Board of Directors
On filings since 2022
4 hrs/week
No compensation reported
Emily Leproust
Member of the Board of Directors
On filings since 2023
4 hrs/week
No compensation reported
Federica Mogherini
Member of the Board of Directors
On filings since 2023
4 hrs/week
No compensation reported
Gustavo Zlauvinen
Member of the Board of Directors
On filings since 2023
4 hrs/week
No compensation reported
Luciana Borio
Member of the Board of Directors
On filings since 2023
4 hrs/week
No compensation reported
Michelle McMurry-Heath
Member of the Board of Directors
On filings since 2023
4 hrs/week
No compensation reported
Former officers (23)
- Former: Lynn Rusten (2020–2024) — Vice President & Global Nuclear Policy Program
- Former: Margaret Knudson (2020–2024) — Vice President & Development
- Former: Page Stoutland (2020–2024) — Consultant
- Former: Riaz Mohammad Khan (2020–2024) — Member of the Board of Directors
- Former: Jon M Huntsman Jr. (2021–2024) — Member of the Board of Directors
- Former: Peng Yuan (2021–2024) — Member of the Board of Directors
- Former: Jessica Bell (2022–2024) — Senior Director, Global Biological Policy & Programs
- Former: Edmund G Brown Jr. (2020–2023) — Member of the Board of Directors
- Former: Malcolm Rifkind (2020–2023) — Member of the Board of Directors
- Former: Rolf Ekeus (2020–2023) — Member of the Board of Directors
- Former: Igor S Ivanov (2020–2022) — Member of the Board of Directors
- Former: Mark Melamed (2022) — Deputy Vice President & Global Nuclear Policy Program
- Former: Michelle McMurry Heath (2022) — Member of the Board of Directors
- Former: Pen Yuan (2022) — Member of the Board of Directors
- Former: Corey A Hinderstein (2020–2021) — Vice President International Fuel Cycle Strategies
- Former: Deborah Rosenblum (2020–2021) — Executive Vice President
- Former: Elizabeth Cameron (2020–2021) — Vice President Global Biological Policy & Programs
- Former: Isabelle Williams (2020–2021) — Senior Advisor & Global Nuclear Policy Program
- Former: Jill Hruby (2020–2021) — Member of the Board of Directors
- Former: Laura Holgate (2020–2021) — Vice President Materials Risk Management
- Former: Charles A Bowsher (2020) — Member of the Board of Directors
- Former: Elizabeth Sherwood Randall (2020) — Member of the Board of Directors
- Former: Liru Cui (2020) — Member of the Board of Directors
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $441K, to Ernest J Moniz (Co-Chair, Board of Directors). 19 officers or directors reported compensation on that filing.
Frequently asked questions about Nuclear Threat Initiative Inc
How much does Nuclear Threat Initiative Inc give each year?
Nuclear Threat Initiative Inc gave $645K across 4 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $357K across 6 grants.
What is Nuclear Threat Initiative Inc's typical grant size?
Nuclear Threat Initiative Inc's median grant in 2025 was $167,500, and its average grant was $161,221, across 4 grants on its 2025 IRS Form 990.
Where does Nuclear Threat Initiative Inc give grants?
Nuclear Threat Initiative Inc gives mostly in California: 52% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest state was Rhode Island (48%). The most frequent recipient cities were Providence, RI (2 grants).
Does Nuclear Threat Initiative Inc give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Nuclear Threat Initiative Inc's 2025 IRS Form 990 were described as general or operating support.
How large is Nuclear Threat Initiative Inc?
Nuclear Threat Initiative Inc reported $88.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $16.8M.
What is Nuclear Threat Initiative Inc?
Nuclear Threat Initiative Inc is a public charity focused on International, Foreign Affairs & National Security, based in Washington, DC. It holds $88.4M in total assets as of 2025.
What is Nuclear Threat Initiative Inc's EIN?
Nuclear Threat Initiative Inc's EIN (Employer Identification Number) is 52-2289435. 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS November 2, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS August 5, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS August 21, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS July 16, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS July 30, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS August 20, 2026)
- IRS filings on file for fiscal years 2020–2024
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