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Foundations / California

The William & Flora Hewlett Foundation

Accepts applications Menlo Park, California · EIN 941655673

The William & Flora Hewlett Foundation is a private foundation in Menlo Park, California. In tax year 2024 it gave $625 million in 2,001 grants; the typical grant was $150,000 and the largest $11.2 million. It accepts applications; its filing gives the instructions below.

From its IRS Form 990-PF for tax year 2024.

Giving in 2024 was up from $605 million the year before.

37% of its 2024 grantees had not received a grant from it the year before, a mix of repeat and new grantees.

Giving by year

Tax yearGrants paidNumber of grantsAssets
2023$605 million1,904$13 billion
2024$625 million2,001$14 billion

How to apply

ContactAmber Miller President
2121 Sand Hill Road, Menlo Park, CA 94025
Phone or email(650) 234-4500
What to submit, deadlines, restrictionsSee page 23 and www.hewlett.org

As written in the foundation's IRS filing for tax year 2024. Details may have changed since.

Foundation website IRS filings on ProPublica

What The William & Flora Hewlett Foundation funds

Where it gives

Its US grants went to recipients in 44 states, the most to California. It also paid $132 million in 296 grants to recipients outside the US.

StateGrantsAmount
California647$165 million
District of Columbia393$160 million
New York185$54.4 million
Massachusetts71$19.0 million
Maryland37$14.1 million
Colorado38$12.6 million
Virginia41$11.6 million
North Carolina18$5.8 million
Washington16$5.5 million
Minnesota15$5.0 million

Grants paid in 2024

The 40 largest of 2,001 grants
RecipientPurposeAmount
Stichting European Climate FoundationFor the climate finance fund$11.2 million
Stichting European Climate FoundationFor the climate finance fund$11.0 million
Amalgamated Charitable Foundation Inc
Washington, DC
For the global fund for a new economy$10.0 million
Climateworks Foundation
San Francisco, CA
For general operating support$10.0 million
Stichting European Climate FoundationFor general operating support$9.0 million
Msi-Us
Washington, DC
For support of the challenge fund$7.5 million
San Francisco Foundation
San Francisco, CA
For general operating support$7.5 million
New Venture Fund
Washington, DC
For the creativity in teaching and learning pooled fund$7.0 million
The Energy Foundation
San Francisco, CA
For general operating support$7.0 million
Windward Fund
Washington, DC
For the methane hub$6.7 million
Community Vision Capital & Consulting
San Francisco, CA
For the performing arts acquisition fund$5.5 million
Election Trust Initiative LLC
Washington, DC
For the election trust initiative$5.0 million
NAACP Empowerment Programs Inc
Baltimore, MD
For support of the NAACP to establish an endowment$5.0 million
United States Energy Foundation
San Francisco, CA
For general operating support$4.5 million
Climateworks Foundation
San Francisco, CA
For the global industrial decarbonization program$4.0 million
International Sustainable Energy Foundation
San Francisco, CA
For general operating support$4.0 million
Climateworks Foundation
San Francisco, CA
For support of u.s. Foreign economic policy for global green industrial policy$3.5 million
Climateworks Foundation
San Francisco, CA
For the global industry hub initiative$3.3 million
Amalgamated Charitable Foundation Inc
Washington, DC
For the democracy frontlines fund$3.1 million
Liberty Hill Foundation
Los Angeles, CA
For the environmental leadership initiative$3.0 million
Policylink
Oakland, CA
For general operating support$3.0 million
Resources Legacy Fund
Sacramento, CA
For wildfire strategies$3.0 million
Rockefeller Philanthropy Advisors Inc
New York, NY
For the global commons alliance$3.0 million
Climate and Clean Energy Equity Fund Open Gov Hub
Washington, DC
For general operating support$2.8 million
Rei Cooperative Action Fund
Sumner, WA
For general operating support$2.6 million
Climateworks Foundation
San Francisco, CA
For the clean cooling collaborative$2.5 million
RF Catalytic Capital Inc
New York, NY
For invest in our future$2.5 million
Tara Climate LTDFor general operating support$2.5 million
George Washington University
Washington, DC
For a series of forums on civic teaching as a core principle in education$2.4 million
Western Conservation Foundation
Denver, CO
For the state conservation program$2.1 million
Colorofchangeorg Education Fund Inc
Oakland, CA
For general operating support$2.1 million
Community Initiatives
Oakland, CA
For community schools learning exchange$2.0 million
International Budget Partnership
Washington, DC
For general operating support$2.0 million
Johns Hopkins University
Baltimore, MD
For the center for economy and society at the snf agora institute$2.0 million
Msi-Us
Washington, DC
For support of msi's programs in east and francophone west africa$2.0 million
New Venture Fund
Washington, DC
For support of the fenomenal funds$2.0 million
Rockefeller Brothers Fund Inc
New York, NY
For multistakeholder carbon neutrality strategy development and implementation in china$2.0 million
Rockefeller Philanthropy Advisors Inc
New York, NY
For the climate emergency collaboration group$2.0 million
United States Energy Foundation
San Francisco, CA
For federal and local power programs$2.0 million
Women in Informal Employment - Weigo LTDFor general operating support$2.0 million

Officers and trustees

As listed in Part VIII of the 2024 filing.

Questions people ask

Does The William & Flora Hewlett Foundation accept grant applications?

Yes. Its latest IRS filing says it accepts applications, with this on deadlines: See page 23 and www.hewlett.org.

How much does The William & Flora Hewlett Foundation give?

$625 million in tax year 2024, across 2,001 grants, with a typical grant of $150,000.

Who runs The William & Flora Hewlett Foundation?

Its 2024 filing lists Mariano-Florentino Cuellar (Chairman), Melody Barnes (Director), Alecia Decoudreaux (Director) and Persis Drell (Director) among 15 officers and trustees.

What does The William & Flora Hewlett Foundation fund?

Based on its grants, mainly international, education and environment and conservation.

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