Troper Wojcicki Foundation
Troper Wojcicki Philanthropies (TWP) is a private family foundation established in 2005 and based in the San Francisco Bay Area. The foundation represents the charitable initiatives of Susan Wojcicki and Dennis Troper. TWP deploys philanthropy and mission-related investments to advance positive change both globally and within the Bay Area community.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$339.3M
+17.4% YoY
Annual Giving
$15.8M
-10.0% YoY
Grant Count
60
+22.4% YoY
Avg Grant Size
$264K
-26.5% YoY
Under IRS private-foundation payout rules, Troper Wojcicki Foundation reported a distributable amount of $15.3M for 2024 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
Troper Wojcicki Philanthropies focuses its grantmaking on:
- Cancer Research — Accelerating cancer research initiatives
- Climate Change — Tackling climate change and environmental sustainability
- Human Rights — Advancing human rights causes
- Education — Supporting educational organizations and initiatives
- Jewish Causes — Funding Jewish-related organizations and programs
- Global Development — Supporting international development work
- Bay Area Community — Earmarking funds for various causes in the San Francisco Bay Area region
Grantmaking
TWP does not accept unsolicited proposals. The foundation indicates that networking is the primary way to get on the foundation's radar. For questions regarding TWP's areas of focus, interested parties should contact info@twphilanthropies.org.
Grant Range
$250,000
Average Grant
amount: $211,000
How to Apply
**
Ready to take the next step with Troper Wojcicki Foundation?
Geographic Focus
Where this funder awards grants
While the foundation maintains a primary focus on California, it has supported select organizations across multiple states and internationally. The foundation's grantmaking reaches organizations across 12 states, with primary concentration in:
- California
- New York
- Massachusetts
These three states account for approximately 75% of all grants made by the foundation.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
Assets & Revenue (2024):
- Total Assets: $339,320,002
- Total Revenues: $33,262,240
- Total Expenses: $21,659,053
- Investment Income and Dividends: $5,047,987
- Total Grants and Contributions: $17,826,613
Assets & Revenue (2023):
- Total Assets: $289,000,000
- Total Revenues: $36,800,000
- Total Expenses: $19,100,000
- Total Grants and Contributions: $12,817,529
- Investment Income and Dividends: $3,983,669
Historical Asset Growth: Assets have grown from $6.3 million in 2011 to $339.3 million in 2024.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $339,320,002 | $289,144,583 | $229,782,808 |
| Revenue | $33,262,240 | $36,764,309 | $28,505,551 |
| Expenses | $21,659,053 | $19,057,464 | $12,540,682 |
| Qualifying Distributions | $20,662,802 | $18,284,737 | $11,943,577 |
| Net Investment Income | $14,216,824 | $23,487,188 | $17,245,065 |
| Distributable Amount | $15,334,815 | $12,915,633 | $13,002,960 |
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
196 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Memorial Sloan-kettering Cancer Center ($1,000,000), Rainforest Trust ($1,000,000), Room to Read ($1,000,000).
| Recipient | Purpose | Amount |
|---|---|---|
| AMERICAN FRIENDS OF THE OCEAN CLEANUP FOUNDATION NEW YORK, NY | GENERAL OPERATING SUPPORT | $400,000 |
| AMIGOS OF COSTA RICA INC WEST CHESTER, PA | GENERAL OPERATING SUPPORT | $150,000 |
| AMIGOS OF COSTA RICA INC WEST CHESTER, PA | IN SUPPORT OF CENTRO ISRAELITA SIONISTA | $3,000 |
| ANTI-DEFAMATION LEAGUE NEW YORK, NY | GENERAL OPERATING SUPPORT | $100,000 |
| BAY AREA FRIENDSHIP CIRCLE PALO ALTO, CA | GENERAL OPERATING SUPPORT | $30,000 |
| BAY AREA FRIENDSHIP CIRCLE PALO ALTO, CA | DRY ROT REPAIR | $10,000 |
| BEYOND FISTULA LOS ALTOS, CA | GENERAL OPERATING SUPPORT | $15,000 |
| BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY STANFORD, CA | SUPPORT THE TROPER-WOJCICKI FOR TIL CELL THERAPY RESEARCH FUND IN THE SCHOOL OF MEDICINE | $300,000 |
| BOYS & GIRLS CLUBS OF THE PENINSULA MENLO PARK, CA | GENERAL OPERATING SUPPORT | $250,000 |
| CALIFORNIA ACADEMY OF SCIENCES SAN FRANCISCO, CA | GENERAL SUPPORT ($470K/YEAR) AND SCIENCE TRUSTEES TABLE AT THE ANNUAL GALA ($30K/YEAR) | $500,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
- Susan Wojcicki — President (0.5 hours per week, no compensation)
- Dennis Troper — Treasurer & Secretary (0.5 hours per week, no compensation)
- Monica Gnanadev — Audit Committee Chair (0.5 hours per week, no compensation)
Both Susan Wojcicki and Dennis Troper are Giving Pledge Signatories.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| DENNIS TROPER AS OF 924 | PRESIDENT | 0.5 | — |
| STEPHEN MAGOWAN AS OF 924 | TREASURER/SECRETARY | 0.5 | — |
| SUSAN WOJCICKI UNTIL 924 | PRESIDENT | 0.5 | — |
| DENNIS TROPER UNTIL 924 | TREASURER/SECRETARY | 0.5 | — |
Recent News & Activity
Recent developments and announcements
The foundation has been active in supporting cancer research initiatives, including the launch of a lung cancer research platform. Recent grantmaking reflects continued commitment to climate research, with support for climate migration and data center research projects through partnerships with academic institutions. The foundation has also supported housing and homelessness initiatives in the Bay Area region.
Lung Cancer Research Platform Launched with TROPER ... - LinkedInSubject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does Troper Wojcicki Foundation fund?
Troper Wojcicki Philanthropies focuses its grantmaking on: • **Cancer Research** — Accelerating cancer research initiatives • **Climate Change** — Tackling climate change and environmental sustainability • **Human Rights** — Advancing human rights causes • **Education** — Supporting educational organizations and initiatives • **Jewish Causes** — Funding Jewish-related organizations and programs • **Global Development** — Supporting international development work • **Bay Area Community** — Earma…
How do I apply for a grant from Troper Wojcicki Foundation?
**Grant Activity:** • Since 2006, TWP has committed more than $100 million to researchers, academics, and entrepreneurs • Total giving in 2024: $15,829,456 • Total giving in 2023: $18 million • Median grant size: $250,000 • Grant range: $50,000 to $1,980,000 • Average grant amount: $211,000 **Recent Notable Grants (2024):** • Rainforest Trust: $1,000,000 (General Operating Support) • Room to Read: $1,000,000 (General Operating Support) • Partners in Health (PIH): $750,000 (General Operating Sup…
Where does Troper Wojcicki Foundation make grants?
While the foundation maintains a primary focus on California, it has supported select organizations across multiple states and internationally. The foundation's grantmaking reaches organizations across 12 states, with primary concentration in: • California • New York • Massachusetts These three states account for approximately 75% of all grants made by the foundation.
What size grants does Troper Wojcicki Foundation award?
In 2024, Troper Wojcicki Foundation awarded 60 grants totaling $15.8M — an average of about $264K per grant, based on its IRS Form 990 filings.
How much is Troper Wojcicki Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Troper Wojcicki Foundation reported a distributable amount of $15.3M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Troper Wojcicki Foundation's EIN?
Troper Wojcicki Foundation's EIN (Employer Identification Number) is 20-2777268. IRS Form 990 filing data is available on this page for 2021–2024.
Explore Open Grants
Browse active grant opportunities in Troper Wojcicki Foundation's focus areas in our free grants database
Related Funders
Similar funders by location and focus area
Gochnauer Family Foundation
CORONA DEL MAR, CA
Assets
$15.2M
Grants
39
Total Given
$313K
Cottage Health
SANTA BARBARA, CA
Assets
$172.1M
Grants
6
Total Given
$179K
International Right of Way Association
GARDENA, CA
Assets
$5.7M
Grants
1
Total Given
$9K
Quince Interfaith Housing Corporation
LEMON GROVE, CA
Assets
—
Grants
0
Total Given
—
William & Lillian Schwartz Charitable Foundation
LA JOLLA, CA
Assets
$325K
Grants
1
Total Given
$3K
Covia Foundation
GLENDALE, CA
Assets
$15.2M
Grants
1
Total Given
$4.8M
Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
What could you do with Troper Wojcicki Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities
Go from researching Troper Wojcicki Foundation to a real strategy.