Charities United States Environment Sierra Club Foundation
SI

Sierra Club Foundation

Educate and empower people to protect and improve the natural and human environment.

Environment Oakland, CA EIN 946069890 · IRS Sign up to see website
Claim this charity
Ready to give?
100% goes to Sierra Club Foundation

GiveRadar doesn't take a cut. We couldn't find a direct donate page, so visit their site.

Visit www.sierraclubfoundatio…
76
Integrity Assessment
Strong transparency
76/100 · methodology

About Sierra Club Foundation

Sierra Club Foundation is a environment organization based in OAKLAND, United States. Annual revenue: $108.6 million. EIN: 946069890.

Founded
Headquarters
Oakland, CA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C300
IRS subsection
501(c)(03)
Ruling date
Size
very-large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1962

Mission

Educate and empower people to protect and improve the natural and human environment.

Focus areas & reach

· What they work on and where
🌿 Environment · NTEE C300
Cause tags

How it stacks up against peers

· vs. 8 similar environment in United States
Program spending This charity: 0%
Peer average: 90%
CEO comp as % of revenue This charity: 0.33%
Peer average: 0.48%
Integrity Assessment This charity: 76
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

Sierra Club Foundation is a registered environment nonprofit based in Oakland, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1960 and has been operating for 66 years. Its EIN is 946069890. It has a GiveRadar Integrity Assessment of 76/100 (Strong transparency), indicating well-documented governance, financials, and contact details. This is below the average of 91/100 for environment charities in United States. The organization reports $108M in annual revenue. 103 officers and directors are publicly disclosed. No red flags have been detected.

Sierra Club Foundation has a GiveRadar Integrity Assessment of 76/100. 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 76 ('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 91/100.

Sierra Club Foundation is located in Oakland, CA, United States. The organization was established in 1960 and has been active for 66 years.

Based on official tax filings, Sierra Club Foundation has $108M in annual revenue. Its revenue is significantly above the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Sierra Club Foundation is classified as a Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a very-large organization. It has $108M in annual revenue. The organization has 103 disclosed officers and directors.

No red flags have been detected for Sierra Club 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.

Sierra Club Foundation has a GiveRadar Integrity Assessment of 76/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. Visit the Sierra Club 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.

Sierra Club Foundation is a environment organization based in OAKLAND, United States. Annual revenue: $108.6 million. EIN: 946069890. Sierra Club Foundation is classified as a environment organization registered in United States. The organization was founded in 1960.

Among environment charities registered in United States: Sierra Club Foundation's GiveRadar Integrity Assessment of 76/100 is below the peer average of 91/100. Its annual revenue of $108M is well above the peer average of $2M.

Yes, donations to Sierra Club Foundation are generally tax-deductible in the United States. Sierra Club Foundation is a 501(c)(3) tax-exempt organization. Its EIN is 946069890, 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
$100M-$1B
0% to programs
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.
Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

Sign up to view
Already have an account? Log in
No credit card · Takes 20 seconds

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

KE
Kevin Mcgahan
CFO

Officers & trustees (25)

Source: Public filings

AG
Agana M•••••
Director
AL
Allison C•••
Director
BI
Bill W••••
SECRETARY (THRU 5/20/21)
CH
Christian O••••
Director
CL
Claire B••••• J••••••
Director
DA
Dan C••
EXECUTIVE DIRECTOR
DA
Darren A••••••••
Director
DO
Donnel B••••
Director
EV
Eva K••••••• S••••••
MEMBER-AT-LARGE
GA
Gail G••••••••
CHAIR (THRU 05/20/22)
HE
Henry H•••••
SR. DIRECTOR, PROGRAMS & COMPLIANCE
JE
Jennie P•••••
DIR. OF ADMIN & BOARD RELATIONS
JE
Jessica S•••••••
TREASURER
JI
Jill S•••••
Director
JO
Jodi A••••••••••
Director
JO
Joel S••••••
VICE CHAIR
KE
Kevin M••••••
CHIEF FINANCIAL OFFICER
LO
Loren B••••••••
SECRETARY
MA
Mark W••••••
Director
MY
Myke B••••
Director
PA
Paul R••••••
Director
PE
Pedro D• S••••
Director & SHIFTING TRILLIONS
PE
Pedro H•••••••• D• S••••
Director
PE
Peter L••
Director
RA
Ramon C•••
Director
Full names, contact details & compensation

Free with an account.

Unlock

Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Sierra Club: Toyota Isn’t Delivering for U.S. Families - CleanTechnica
May 2026
cleantechnica.com
EPA to Allow Power Plants to Bulldoze Through Pollution Protections - CleanTechnica
May 2026
cleantechnica.com
Sierra Club Statement on Vote to Confirm Steve Pearce to Run BLM - CleanTechnica
May 2026
cleantechnica.com
Inside Sierra Club’s Pattern Of Black Leadership Departures - Chicago Defender
May 2026
chicagodefender.com
Data Centers Have a PFAS Problem - Sierra Club
May 2026
www.sierraclub.org
Michigan failing to protect metro Detroit from ozone pollution, group says - Detroit Free Press
May 2026
www.freep.com
How to Choose Last-Minute Flowers This Mother’s Day - Sierra Club
May 2026
www.sierraclub.org
Aaron Mair, Sierra Club’s first Black president, says internal crisis is about governance, power - AFRO American Newspap
May 2026
afro.com
Food Rescues Step In as Communities Face Slashed SNAP Benefits - Sierra Club
May 2026
www.sierraclub.org
Sierra Club report details staggering water use by power plants in Texas - Houston Public Media
May 2026
www.houstonpublicmedia.org
Form filed
$108.2M revenue
FY2024
IRS_990
Form filed
$89.1M revenue
FY2023
IRS_990
Form filed
$87.7M revenue
FY2022
IRS_990
Form filed
$108.6M revenue
FY2021
IRS_990
Form filed
$95.6M revenue
FY2020
IRS_990

No reviews yet. Be the first to share your experience.

Have you donated or volunteered here?

Share your experience - it takes 30 seconds. Verified reviews help other donors decide.

Sign up to write a review

Peer charities

Other environment in United States, by integrity assessment

Charity Score Revenue Program %
Sierra Club Foundation This page 76 $108.2 million -
Baduwat Watershed Council 93 $426,600 100%
Birds of Prey Foundation 93 $396,950 82%
Keep Nassau Beautiful Inc 93 $296,240 81%
California Irrigation Institute Inc 90 $108,053 100%
White Clay Watershed Association 90 $388,718 84%
Trout Unlimited 90 $771,789 96%
Association of New Jersey Recyclers Inc 90 $292,455 88%
Utah Watercolor Society 90 $56,356 92%

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 - 103 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
100%

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 Sierra Club Foundation

What is Sierra Club Foundation?
Sierra Club Foundation is a environment publicly-supported charity (509(a)(2)) based in Oakland, United States. Sierra Club Foundation is a environment organization based in OAKLAND, United States. Annual revenue: $108.6 million. EIN: 946069890.
When was Sierra Club Foundation founded?
Sierra Club Foundation was founded in 1960.
Who leads Sierra Club Foundation?
Kevin Mcgahan serves as CFO.
Where is Sierra Club Foundation located?
Headquartered in Oakland, United States.
What is Sierra Club Foundation's annual budget?
Annual revenue for fiscal year 2024 is approximately $100M-$1B. 0% of expenses go to program services.
Is Sierra Club Foundation trustworthy?
Sierra Club Foundation has a GiveRadar Integrity Assessment of 76 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 Sierra Club Foundation's registration number?
IRS EIN: 946069890.
What is Sierra Club Foundation's website?
http://www.sierraclubfoundation.org