Charities United States Environment Windward Fund
WI

Windward Fund

Windward fund hosts initiatives that pursue bold solutions to environmental challenges.

Environment Washington, DC EIN 473522162 · IRS Sign up to see website
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76
Integrity Assessment
Strong transparency
76/100 · methodology

About Windward Fund

Windward Fund is a environment organization based in WASHINGTON, United States. Annual revenue: $274.3 million. EIN: 473522162.

Founded
Headquarters
Washington, DC
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C30
IRS subsection
501(c)(03)
Ruling date
Size
very-large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2015

Mission

Windward fund hosts initiatives that pursue bold solutions to environmental challenges.

Focus areas & reach

· What they work on and where
🌿 Environment · NTEE C30
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: 0.09%
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

Windward Fund is a registered environment nonprofit based in Washington, DC, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2015 and has been operating for 11 years. Its EIN is 473522162. 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 $308M in annual revenue. 60 officers and directors are publicly disclosed. No red flags have been detected.

Windward Fund 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.

Windward Fund is located in Washington, DC, United States. The organization was established in 2015 and has been active for 11 years.

Based on official tax filings, Windward Fund has $308M 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.

Windward Fund 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 $308M in annual revenue. The organization has 60 disclosed officers and directors.

No red flags have been detected for Windward Fund. 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.

Windward Fund 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 Windward Fund 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.

Windward Fund is a environment organization based in WASHINGTON, United States. Annual revenue: $274.3 million. EIN: 473522162. Windward Fund is classified as a environment organization registered in United States. The organization was founded in 2015.

Among environment charities registered in United States: Windward Fund's GiveRadar Integrity Assessment of 76/100 is below the peer average of 91/100. Its annual revenue of $308M is well above the peer average of $2M.

Yes, donations to Windward Fund are generally tax-deductible in the United States. Windward Fund is a 501(c)(3) tax-exempt organization. Its EIN is 473522162, 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.
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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

LY
Lynn Mcnair
President

Officers & trustees (18)

Source: Public filings

AN
Anne-Marie K••••
PROJECT DIRECTOR
BR
Bruce B•••
Director
CA
Cammie C••••
PROJECT CHIEF OF STAFF
DA
David F•••••••
Director
DE
Deepa G••••
PROJECT DIRECTOR
ER
Erin R•••••
PROJECT CO-DIRECTOR
HA
Harry D••••••
SECRETARY & TREASURER
JA
Jasmine H••• R••••••
Director
JO
John M•••••••
PROJECT DIRECTOR
KR
Kristen G••••
Director
LE
Lee B•••••
BOARD CHAIR
LY
Lynn M•••••
PRESIDENT (AS OF 4/2023)
ME
Melanie R A••••
PROJECT CO-DIRECTOR
PA
Pat G••••••• R•••••
Director
PA
Patricianna R•••
PROJ CHIEF P'SHIP OFF (THRU 10/2023)
RA
Rachel L•••
Director
ST
Stephen P••••••
PROJECT HEAD OF RESEARCH
TH
Thomas M••••• I••
PROJECT HEAD OF PRODUCT
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

Foreign billionaires funnel $2.6B to US advocacy groups to influence policy, watchdog report claims - 930 WFMD Free Talk
Feb 2026
www.wfmd.com
Watchdog: Donations to liberal causes will continue despite Arabella’s rebrand - The Center Square
Nov 2025
www.thecentersquare.com
Arabella Advisors Dissolves After Years of GOP-Led Investigations - Chronicle of Philanthropy
Nov 2025
www.philanthropy.com
New Entity Sunflower Services Purchasing Fiscal Sponsorship Services Business from Arabella Advisors - The Manila Times
Nov 2025
www.manilatimes.net
Left-wing dark-money megadonors, including George Soros, contribute $20M to groups funding protests against Trump’s DC c
Aug 2025
nypost.com
Foreign Grants: The Darkest of “Dark Money” - Capital Research Center
Jan 2025
capitalresearch.org
Form filed
$308.2M revenue
FY2024
IRS_990
BEST OF 2024Donors to the Arabella Advisors Network - Capital Research Center
Dec 2024
capitalresearch.org
Left-wing dark money network hauled in more than $1.3B in anonymous donations for liberal causes in 2023 - Fox News
Nov 2024
www.foxnews.com
Democracy Give Guide 2024 - The San Francisco Foundation
Aug 2024
sff.org
Democratic dark money fuels ‘nonpartisan’ climate group behind swing state ads - Washington Examiner
Aug 2024
www.washingtonexaminer.com
Form filed
$212.4M revenue
FY2023
IRS_990
Form filed
$198.1M revenue
FY2022
IRS_990
Form filed
$274.3M revenue
FY2021
IRS_990
Form filed
$158.6M revenue
FY2020
IRS_990

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Peer charities

Other environment in United States, by integrity assessment

Charity Score Revenue Program %
Windward Fund This page 76 $308.2 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 - 60 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 Windward Fund

What is Windward Fund?
Windward Fund is a environment publicly-supported charity (509(a)(2)) based in Washington, United States. Windward Fund is a environment organization based in WASHINGTON, United States. Annual revenue: $274.3 million. EIN: 473522162.
When was Windward Fund founded?
Windward Fund was founded in 2015.
Who leads Windward Fund?
Lynn Mcnair serves as President.
Where is Windward Fund located?
Headquartered in Washington, United States.
What is Windward Fund's annual budget?
Annual revenue for fiscal year 2024 is approximately $100M-$1B. 0% of expenses go to program services.
Is Windward Fund trustworthy?
Windward Fund 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 Windward Fund's registration number?
IRS EIN: 473522162.
What is Windward Fund's website?
http://www.windwardfund.org