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Bulletin of the Atomic Scientists

The bulletin's mission is to reduce manmade threats to our existence.

Bulletin of the

Chicago, IL EIN 362136497 · IRS Sign up to see website
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89
Integrity Assessment
Strong transparency
89/100 · methodology

About Bulletin of the Atomic Scientists

The Bulletin of the Atomic Scientists informs the public about threats to the survival and development of humanity from nuclear weapons, climate change, and emerging technologies in the life sciences.

Founded
Headquarters
Chicago, IL
Foundation type
Supporting organization (509(a)(3))
IRS subsection
501(c)(03)
Ruling date

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1950

Mission

The bulletin's mission is to reduce manmade threats to our existence.

Focus areas & reach

· What they work on and where
🌿 Environment
Cause tags

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 0%
Peer average: 0%
CEO comp as % of revenue This charity: 7.88%
Peer average: 0.48%
Integrity Assessment This charity: 89
Peer average: 89

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Bulletin of the Atomic Scientists is a registered environment nonprofit based in Chicago, IL, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1949 and has been operating for 77 years. Its EIN is 362136497. It has a GiveRadar Integrity Assessment of 89/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $3M in annual revenue. 79 officers and directors are publicly disclosed. No red flags have been detected.

Bulletin of the Atomic Scientists has a GiveRadar Integrity Assessment of 89/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 89 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for environment charities in United States is 89/100.

Bulletin of the Atomic Scientists is located in Chicago, IL, United States. The organization was established in 1949 and has been active for 77 years.

Based on official tax filings, Bulletin of the Atomic Scientists has $3M in annual revenue. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Bulletin of the Atomic Scientists is classified as a Environment organization, registered in United States. It operates as a Supporting organization (509(a)(3)). It has $3M in annual revenue. The organization has 79 disclosed officers and directors.

No red flags have been detected for Bulletin of the Atomic Scientists. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Bulletin of the Atomic Scientists has a GiveRadar Integrity Assessment of 89/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

The Bulletin of the Atomic Scientists informs the public about threats to the survival and development of humanity from nuclear weapons, climate change, and emerging technologies in the life sciences. Bulletin of the Atomic Scientists is classified as a environment organization registered in United States. The organization was founded in 1949.

Among environment charities registered in United States: Bulletin of the Atomic Scientists's GiveRadar Integrity Assessment of 89/100 is in line with the peer average of 89/100. Its annual revenue of $3M is comparable to the peer average of $2M.

Yes, donations to Bulletin of the Atomic Scientists are generally tax-deductible in the United States. Bulletin of the Atomic Scientists is a 501(c)(3) tax-exempt organization. Its EIN is 362136497, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 4 official sources, last refreshed .

Annual revenue
$1M-$10M
0% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

AL
Alexandra Bell
President & CEO

Officers & trustees (25)

Source: Public filings

AL
Alexandra B•••
President & CEO
AN
Ania L••••
Director
AP
April A•••••
Board Fellow
AU
Austin H•••••
Treasurer
BR
Bryan B••••
Director
CO
Colleen M•••••••••
CHIEF ADVANCEMENT OFFICER
CY
Cyndi C•••
Director
DA
Daniel H•••
Director
DA
Dave K••••••
Chair
DI
Dimple S•••
Director
ED
Edmund G B•••• J•
Executive Chair
HA
Haneen K•••••
Board Fellow
HA
Harold J••••
Director
JE
Jerry B••••
Executive Chair
JO
Joanne P•
Director
JO
John B••••••
Second Vice-Chair
JO
John M••••••
EDITOR-IN-CHIEF
LE
Lee F••••••
Vice-Chair
LI
Lisa M•••••
CHIEF FINANCIAL OFFICER
ME
Melissa H•••••
Director
MI
Michael L••
Director
MI
Milorad C•••
Treasurer
MI
Misho C•••
Director
RA
Rachel B••••••
President & CEO
RO
Rober L••••••
Director
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$2.8M revenue
FY2025
IRS_990
Form filed
$2.2M revenue
FY2024
IRS_990
Form filed
$1.5M revenue
FY2023
IRS_990
Form filed
$6.0M revenue
FY2022
IRS_990
Form filed
$1.7M revenue
FY2020
IRS_990

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Peer charities

Other environment in United States, by integrity assessment

Charity Score Revenue Program %
Bulletin of the Atomic Scientists This page 89 $2.8 million -
Friends of Casco Bay 89 $1.3 million -
Drive Clean Colorado 89 $1.3 million -
Chesapeake Climate Action Network 89 $4.0 million -
Jackson Hole Land Trust 89 $7.9 million -
Citizens for Pennsylvanias Future 89 $3.2 million -
Huron River Watershed Council 89 $5.1 million -
Climate Action Reserve 89 $5.8 million -
Alaska Conservation Foundation 89 $8.0 million -

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 79 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Bulletin of the Atomic Scientists

What is Bulletin of the Atomic Scientists?
Bulletin of the Atomic Scientists is a environment supporting organization (509(a)(3)) based in Chicago, United States. The Bulletin of the Atomic Scientists informs the public about threats to the survival and development of humanity from nuclear weapons, climate change, and emerging technologies in the life sciences.
When was Bulletin of the Atomic Scientists founded?
Bulletin of the Atomic Scientists was founded in 1949.
Who leads Bulletin of the Atomic Scientists?
Alexandra Bell serves as President & CEO.
Where is Bulletin of the Atomic Scientists located?
Headquartered in Chicago, United States.
What is Bulletin of the Atomic Scientists's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 0% of expenses go to program services.
Is Bulletin of the Atomic Scientists trustworthy?
Bulletin of the Atomic Scientists has a GiveRadar Integrity Assessment of 89 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Bulletin of the Atomic Scientists's registration number?
IRS EIN: 362136497.
What is Bulletin of the Atomic Scientists's website?
http://www.thebulletin.org