Jeff and Marieke Rothschild Foundation

PALO ALTO, CA EIN: 83-4574297

The Jeff and Marieke Rothschild Foundation is a private foundation based in Palo Alto, California. Established in 2019, it operates as an independent grantmaking foundation focused on supporting education, health care, and philanthropic initiatives.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$428.2M

+12.3% YoY

Annual Giving

$29.1M

-2.5% YoY

Grant Count

-5.3% YoY

Avg Grant Size

$1.6M

+2.9% YoY

Under IRS private-foundation payout rules, Jeff and Marieke Rothschild Foundation reported a distributable amount of $19.2M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's primary funding focuses include:

Education (including STEM education and science teacher support)
Health care
Philanthropy, voluntarism, and grantmaking
Nature conservation
School feeding programs

The foundation has demonstrated particular interest in supporting educational institutions and programs that advance learning and scientific inquiry.

Grantmaking

The foundation made 14 grants in 2024 according to available records.

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in California, New York, and Kentucky. International grantmaking has included support for projects in Guatemala and Kenya.

Grant Distribution by State

California $47.5M (64%)

Maine $5.0M (7%)

Tennessee $5.0M (7%)

New York $4.5M (6%)

Pennsylvania $4.0M (5%)

District of Columbia $2.5M (3%)

Texas $2.5M (3%)

Kentucky $1.7M (2%)

+4 more states

States

California Colorado District of Columbia Florida Kansas Kentucky Maine New York Pennsylvania Tennessee Texas Washington

Cities

AustinBoulderBronxClintonGreenbraeJenkintownLouisvilleNashvilleNew YorkOrlandoPalo AltoPrairie VillageSacramentoSan FranciscoSan JoseSanta CruzSeafordWashingtonWaterville

Financial History

Multi-year comparison from IRS filings

2024 Financial Summary:

Total assets: $428,171,594
Total revenues: $62,027,376
Total expenses: $71,781,063
Total giving: $29,113,000
Number of employees: 0

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$428,171,594	$381,220,091	$371,920,913
Revenue	$62,027,376	$11,273,823	$6,196,859
Expenses	$71,781,063	$35,815,482	$30,852,706
Qualifying Distributions	$29,280,345	$30,011,210	$14,940,668
Net Investment Income	$41,906,732	$4,461,598	$2,211,678
Distributable Amount	$19,168,542	$19,278,427	$35,784,854

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

49 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Second Harvest of Silicon Valley ($5,500,000), President & Trustees of Colby College ($5,000,000), University of California San Francisco Foundation ($5,000,000).

Recipient	Purpose	Amount
AVINA AMERICAS INC WASHINGTON, DC	MAPBIOMAS WORK ON CLIMATE	$1,000,000
CLEAN SLATE INITIATIVE INC ORLANDO, FL	AUDACIOUS PROJECT	$1,000,000
EVERY CURE INC NEW YORK, NY	AI PLATFORM FOR DRUG REPURPOSING	$1,000,000
FOOD FOR EDUCATION FOUNDATION INC NEW YORK, NY	SCHOOL FEEDING PROGRAMS IN AFRICA	$1,600,000
GREAT BARRIER REEF FOUNDATION USA INC WASHINGTON, DC	SOLUTIONS FOR PROTECTING CORAL REEFS	$500,000
HUMAN RIGHTS WATCH INC NEW YORK, NY	GENERAL SUPPORT	$1,000,000
INKOMOKO CLINTON, WA	IMPROVE LIVES IN ETHIOPIA, KENYA AND SOUTH SUDAN	$100,000
KENYAN KIDS FOUNDATION LOUISVILLE, KY	TRANSCEND RUNNING ACADEMY	$150,000
KENYAN KIDS FOUNDATION LOUISVILLE, KY	CO-OPERATIVE DAIRY DEVELOPMENT PROJECT	$250,000
LAND TRUST OF SANTA CRUZ COUNTY SANTA CRUZ, CA	GENERAL SUPPORT	$1,000,000

Leadership & Key People

Leadership team and compensation from IRS filings

Founders/Key Figures:

Jeffrey J. Rothschild — Co-founder of the foundation. An American billionaire entrepreneur and engineer, Rothschild served as Vice President of Infrastructure Engineering at Facebook from 2005 to 2015, where he played a pivotal role in scaling the platform's infrastructure. Earlier in his career, he co-founded Veritas Software (1988) and Mpath Interactive (1995). He earned a B.A. in Psychology (1977) and an M.S. in Computer Science (1979) from Vanderbilt University, where he serves as Vice Chairman of the Board of Trust. He is also a venture partner at Accel Partners and serves on various corporate and institutional boards.

Marieke Rothschild — Co-founder of the foundation. She collaborates with Jeffrey on philanthropic initiatives supporting medical research, scholarships, open space preservation, and international projects.

Compensation Overview

From 2024 IRS filing

From 2024 filing

Name	Title	Hours	Compensation
JEFF ROTHSCHILD	CO-PRESIDENT/DIRECTOR	1	—
MARIEKE ROTHSCHILD	CO-PRESIDENT/DIRECTOR	1	—
RAKESH MEHTA	TREASURER/SECRETARY	1	—

Recent News & Activity

Recent developments and announcements

The foundation has supported significant initiatives in medical research and higher education. A notable gift from Jeffrey and Marieke Rothschild established the Stanford Center for Cancer Cell Therapy, demonstrating the foundation's commitment to advancing medical research and innovation.

Jeff and Marieke Rothschild Foundation - Grant Information ...

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What does Jeff and Marieke Rothschild Foundation fund?

The foundation's primary funding focuses include: • Education (including STEM education and science teacher support) • Health care • Philanthropy, voluntarism, and grantmaking • Nature conservation • School feeding programs The foundation has demonstrated particular interest in supporting educational institutions and programs that advance learning and scientific inquiry.

How do I apply for a grant from Jeff and Marieke Rothschild Foundation?

**Financial Capacity:** • Total assets: $428,171,594 • Total giving (2024): $29,113,000 • Typical award range: $75,000–$8,114,245 **Recent Grants (2024):** • Second Harvest of Silicon Valley: $5,500,000 (Capital Campaign/Operating Support) • President and Trustees of Colby College: $5,000,000 (Residence Hall/Residence Life) • University of California San Francisco Foundation (UCSF): $5,000,000 (Parnassus Campus and Operations) The foundation made 14 grants in 2024 according to available records.

Where does Jeff and Marieke Rothschild Foundation make grants?

The foundation primarily funds organizations in California, New York, and Kentucky. International grantmaking has included support for projects in Guatemala and Kenya.

What size grants does Jeff and Marieke Rothschild Foundation award?

In 2024, Jeff and Marieke Rothschild Foundation awarded 18 grants totaling $29.1M — an average of about $1.6M per grant, based on its IRS Form 990 filings.

How much is Jeff and Marieke Rothschild Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Jeff and Marieke Rothschild Foundation reported a distributable amount of $19.2M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Jeff and Marieke Rothschild Foundation's EIN?

Jeff and Marieke Rothschild Foundation's EIN (Employer Identification Number) is 83-4574297. IRS Form 990 filing data is available on this page for 2020–2024.