Charities United States Advocacy & Civil Rights The Susan Thompson Buffett Foundation
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The Susan Thompson Buffett Foundation

Advocacy & Civil Rights Omaha, NE EIN 476032365 · IRS
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60
Integrity Assessment
Partial transparency
60/100 · methodology

About The Susan Thompson Buffett Foundation

The Susan Thompson Buffett Foundation is a advocacy organization based in OMAHA, United States. Annual revenue: $2.4 billion. EIN: 476032365.

Headquarters
Omaha, NE
Foundation type
Private non-operating foundation
NTEE code
T22
IRS subsection
501(c)(03)
Ruling date
Size
major

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1964

Focus areas & reach

· What they work on and where
Advocacy & Civil Rights · NTEE T22
Cause tags

How it stacks up against peers

· vs. 8 similar advocacy & civil rights in United States
Integrity Assessment This charity: 60
Peer average: 91

Red flags

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

Common questions

· Auto-generated from filings + methodology

The Susan Thompson Buffett Foundation is a registered advocacy & civil rights nonprofit based in Omaha, NE, United States. It is registered with the Internal Revenue Service (IRS). Its EIN is 476032365. It has a GiveRadar Integrity Assessment of 60/100 (Partial transparency), indicating some public data is available but key signals are missing. This is below the average of 91/100 for advocacy & civil rights charities in United States. The organization reports $1.7B in annual revenue. No red flags have been detected.

The Susan Thompson Buffett Foundation has a GiveRadar Integrity Assessment of 60/100. 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 60 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for advocacy & civil rights charities in United States is 91/100.

The Susan Thompson Buffett Foundation is located in Omaha, NE, United States.

Based on official tax filings, The Susan Thompson Buffett Foundation has $1.7B in annual revenue. Its revenue is significantly above the peer average of $4M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

The Susan Thompson Buffett Foundation is classified as a Advocacy & Civil Rights organization, registered in United States. It operates as a Private non-operating foundation. By size, it is categorized as a major organization. It has $1.7B in annual revenue.

No red flags have been detected for The Susan Thompson Buffett Foundation. 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.

The Susan Thompson Buffett Foundation has a GiveRadar Integrity Assessment of 60/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the IRS. Visit the The Susan Thompson Buffett Foundation profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

The Susan Thompson Buffett Foundation is a advocacy organization based in OMAHA, United States. Annual revenue: $2.4 billion. EIN: 476032365. The Susan Thompson Buffett Foundation is classified as a advocacy & civil rights organization registered in United States.

Among advocacy & civil rights charities registered in United States: The Susan Thompson Buffett Foundation's GiveRadar Integrity Assessment of 60/100 is below the peer average of 91/100. Its annual revenue of $1.7B is well above the peer average of $4M.

Yes, donations to The Susan Thompson Buffett Foundation are generally tax-deductible in the United States. The Susan Thompson Buffett Foundation is a 501(c)(3) tax-exempt organization. Its EIN is 476032365, 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 5 official sources, last refreshed .

Annual revenue
$1B+
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, 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
Allen Greenberg
President

Officers & trustees (1)

Source: Public filings

AL
Allen G••••••••
President
Full names, contact details & compensation

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Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Billionaire Warren Buffett’s foundation commits $29 million to Kenya health sector for second year - Business Insider Af
May 2026
africa.businessinsider.com
Tycoon Buffett gives Kenya Sh3.8bn for the second year - Business Daily
May 2026
www.businessdailyafrica.com
Warren Buffett’s $150 billion legacy: How his three children will shape the future of his fortune - MSN
Apr 2026
www.msn.com
Money Donated to and Awarded From Foundations and DAFs in 2025 - Chronicle of Philanthropy
Mar 2026
www.philanthropy.com
How the Buffett family plans to give away more than $150 billion - CNBC
Jan 2026
www.cnbc.com
Warren Buffett reflects on his company's future and his Nebraska roots in letter to shareholders - The Des Moines Regist
Nov 2025
www.desmoinesregister.com
Buffett's advice as he ‘goes quiet’ - moneywise.com
Nov 2025
moneywise.com
Warren Buffett admits his philanthropic plans weren't 'feasible.' This is what he's doing instead - Fortune
Nov 2025
fortune.com
Warren Buffett ramps up giving to expedite goal of gifting fortune via his children - WOWT
Nov 2025
www.wowt.com
Warren Buffett's investor letter may be his last as Berkshire Hathaway's CEO: "I'm 'going quiet.'" - CBS News
Nov 2025
www.cbsnews.com
Form filed
$1717.8M revenue
FY2024
IRS_990
Form filed
$1270.5M revenue
FY2023
IRS_990
Form filed
$958.1M revenue
FY2022
IRS_990
Form filed
$489.3M revenue
FY2021
IRS_990
Form filed
$438.6M revenue
FY2020
IRS_990

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Peer charities

Other advocacy & civil rights in United States, by integrity assessment

Charity Score Revenue Program %
The Susan Thompson Buffett Foundation This page 60 $1.7 billion -
The Appeal of the Nobel Peace Laureates Foundation … 93 $700,744 82%
Epic Girl 93 $756,796 100%
Merrimack Valley Immigrant and Education Center Inc 90 $406,189 74%
Exodus Vision 90 $279,085 76%
Community Asian Theatre of the Sierra 90 $87,804 80%
Heart and Home Collaborative 90 $161,546 100%
Houston Marathon Foundation Inc 90 $417,366 97%
Benzie County Community Chest 90 $148,922 86%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 1 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
75%

What we don't know

Honest gaps - our score reflects transparency, not impact

Mission statement
No self-published statement of purpose
Official website
No verified website on record
Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified
Founding date
Year the organisation was founded not on file

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 The Susan Thompson Buffett Foundation

What is The Susan Thompson Buffett Foundation?
The Susan Thompson Buffett Foundation is a advocacy & civil rights private non-operating foundation based in Omaha, United States. The Susan Thompson Buffett Foundation is a advocacy organization based in OMAHA, United States. Annual revenue: $2.4 billion. EIN: 476032365.
Who leads The Susan Thompson Buffett Foundation?
Allen Greenberg serves as President.
Where is The Susan Thompson Buffett Foundation located?
Headquartered in Omaha, United States.
What is The Susan Thompson Buffett Foundation's annual budget?
Annual revenue for fiscal year 2024 is approximately $1B+.
Is The Susan Thompson Buffett Foundation trustworthy?
The Susan Thompson Buffett Foundation has a GiveRadar Integrity Assessment of 60 out of 100 (Partial 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 The Susan Thompson Buffett Foundation's registration number?
IRS EIN: 476032365.