Stephen M Silberstein Foundation

BELVEDERE, CA EIN: 91-1852739

The Stephen M. Silberstein Foundation is a private family foundation established in 1997 in California by Stephen M. Silberstein, founder of Innovative Interfaces, a software company specializing in digital library management. Based in Belvedere, California, the foundation operates as a 501(c)(3) private foundation with a focus on progressive philanthropic causes.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$74.0M

-3.9% YoY

Annual Giving

$8.5M

+23.4% YoY

Grant Count

47

+0.0% YoY

Avg Grant Size

$182K

+23.4% YoY

Under IRS private-foundation payout rules, Stephen M Silberstein Foundation reported a distributable amount of $9.5M 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 funds work across a diverse range of issue areas, including:

  • Education
  • Public affairs and policy
  • Human rights and the defense and preservation of individual rights and liberties
  • Environment
  • Arts and culture
  • Libraries
  • Educational radio broadcasting

The foundation's giving extends beyond the Bay Area to support work nationally and internationally, with particular geographic concentration in California, New York, and Washington D.C.

Grantmaking

The foundation does not maintain a strong web presence and does not provide a clear public application process. It prefers a proactive approach to grantmaking rather than accepting unsolicited applications or letters of intent. Prospective grantees are advised to network with past grantees to establish connections with the foundation.

How to Apply

**

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Geographic Focus

Where this funder awards grants

The foundation supports projects across multiple U.S. locations, with primary geographic focus in:

  • California
  • New York
  • Washington D.C.
  • Alaska
  • New Mexico

Grant Distribution by State

9states
+1 more states

Cities

AlbuquerqueAnchorageAthensAtlantaBerkeleyBrunswichFairfaxLake WorthLos AltosLos AngelesMenlo ParkNew YorkNovatoOaklandPhiladelphiaSacramentoSan FranciscoSan JoseSan QuentinSan Rafael

Financial History

Multi-year comparison from IRS filings

As of Most Recent Filing (2023):

  • Total assets: $76,963,334–$77,000,000
  • Total revenues: $4,080,261
  • Total expenses: $6,998,194
  • Total liabilities: $0

The foundation maintains substantial assets that support ongoing grantmaking activity.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$3M$5M$8M$11M20202021202220232024
Metric202420232022
Total Assets$73,957,652$76,963,334$79,881,267
Revenue$5,642,213$4,080,261$5,636,039
Expenses$8,647,894$6,998,194$5,655,993
Qualifying Distributions$8,647,894$6,998,194$5,526,000
Net Investment Income$4,324,931$3,108,410$4,733,098
Distributable Amount$9,516,058$8,205,292$7,843,571

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$5M$7M$10M55 grants202049 grants202139 grants202247 grants202347 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MCF DONOR ADVISED FUND$4.0MMEDIA MATTERS FOR AMERICA$350KAMERICAN CIVIL LIBERTIES…$300KNATIONAL VOTE AT HOME IN…$250KPROPUBLICA$250KDEMOCRACY NOW$200KNATIONAL REDISTRICTING F…$200KPLANNED PARENTHOOD FOUND…$200KSIERRA CLUB FOUNDATION$200KCENTER FOR AMERICAN PROG…$150K

Grant Size Distribution

232 grants across all recorded years

68<$50K66$50–100K68$100–250K21$250–500K1$500K–1M8$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Mcf Donor Advised Fund ($4,000,000), Media Matters for America ($350,000), American Civil Liberties Union Foundation ($300,000).

RecipientPurposeAmount
10000 DEGREES SAN RAFAEL, CATO ACHIEVE EDUCATIONAL EQUITY AND TO SUPPORT STUDENTS FROM LOW-INCOME BACKGROUNDS TO AND THORUGH COLLEGE TO REALIZE THEIR FULL POTENTIAL AND POSITVELY IMPACT THEIR COMMUNITIES AND THE WORLD.$25,000
ALAMEDA COUNTY COMMUNITY FOOD BANK OAKLAND, CAFOOD DISTRIBUTION TO THOSE IN NEED.$100,000
ALASKA WILDERNESS LEAGUE ANCHORAGE, AKPROMOTE AND PROTECT AMERICA'S PUBLIC LANDS IN ALASKA$10,000
AMERICAN CIVIL LIBERTIES UNION FOUNDATION SAN FRANCISCO, CADEFEND & PRESERVE INDIVIDUAL RIGHT & LIBERTIES$300,000
AMIGOS DE LAS AMERICAS - EAST BAY CHAPTER OAKLAND, CAPROMOTE YOUTH LEADERSHIP ACROSS THE AMERICAS$25,000
CALIFORNIA BUDGET & POLICY CENTER SACRAMENTO, CAACCESS TO USEFUL ANALYSES OF STATE BUDGET TO IMPROVE PUBLIC POLICIES AND WELL-BEING OF CALIFORNIANS$15,000
CALIFORNIA NATIVE PLANT SOCIETY SACRAMENTO, CACONSERVING CALIFORNIA NATIVE PLANTS AND THEIR NATURAL HABITATS$10,000
CALMATTERS SACRAMENTO, CAINFORM CALIFORNIANS THROUGH MEANINGFUL JOURNALISM ABOUT THE PLAYERS, POLITICS, AND INTERESTS THAT SHAPE THE ISSUES THAT AFFECT THEIR LIVES$50,000
CENTER FOR AMERICAN PROGRESS WASHINGTON, DCSUPPORT RESEARCH & EDUCATION IN ECONOMICS$150,000
CENTER FOR POLITICAL ACCOUNTABILITY WASHINGTON, DCSUPPORTS POLITICAL ACCOUNTABILITY AND DISCLOSURE$100,000

Leadership & Key People

Leadership team and compensation from IRS filings

  • Stephen M. Silberstein – President and Treasurer
  • Paul Silberstein – Secretary

Both serve without compensation.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
STEPHEN M SILBERSTEINPRESIDENT & TREASURER4
PAUL SILBERSTEINSECRETARY4

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Stephen M Silberstein Foundation fund?

The foundation funds work across a diverse range of issue areas, including: • Education • Public affairs and policy • Human rights and the defense and preservation of individual rights and liberties • Environment • Arts and culture • Libraries • Educational radio broadcasting The foundation's giving extends beyond the Bay Area to support work nationally and internationally, with particular geographic concentration in California, New York, and Washington D.C.

How do I apply for a grant from Stephen M Silberstein Foundation?

**Grant Activity:** • Total giving in 2023: $8,537,600 • Total expenses in 2023: $6,998,194 • Made 48 grants in 2023 • Typical award range: $10,000–$4,000,000 **Recent Grantees Include:** • University of California Berkeley Foundation ($2,500,000 for education) • Media Matters for America ($400,000 for educational radio broadcasting) • Human Rights Watch ($300,000 for defending and preserving individual rights and liberties) • American Civil Liberties Union Foundation • Brave New Foundation • K…

Where does Stephen M Silberstein Foundation make grants?

The foundation supports projects across multiple U.S. locations, with primary geographic focus in: • California • New York • Washington D.C. • Alaska • New Mexico

What size grants does Stephen M Silberstein Foundation award?

In 2024, Stephen M Silberstein Foundation awarded 47 grants totaling $8.5M — an average of about $182K per grant, based on its IRS Form 990 filings.

How much is Stephen M Silberstein Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Stephen M Silberstein Foundation reported a distributable amount of $9.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Stephen M Silberstein Foundation's EIN?

Stephen M Silberstein Foundation's EIN (Employer Identification Number) is 91-1852739. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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