Funding search · EIN 521708205 · Rockville, MD
William J Siegel and Sally R Siegel
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 47
- grants reported
- $394,000
- total given
- 2022–2025
- filing years
- $8,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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2 grants matching “contributiion” · $10,000
- $6,000
The Jewish Federation of Greater Washington · Rockville, MD · 2025
General contributiion
- $4,000
The Jewish Federation of Greater Washington · Rockville, MD · 2024
General contributiion
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Smithsonian Institution4 grants · $52,500
- Planned Parenthood Federation of America4 grants · $46,000
- The Lighthouse Art Center3 grants · $42,500
- American Technion Society4 grants · $32,000
- Fios Feminista (Int'L Planned Parenthood Fed Western Hemisphere Region)3 grants · $30,000
- United States Holocaust Memorial Museum4 grants · $29,000
- Simon Wiesenthal Centermuseum of Tolerance4 grants · $29,000
- Wamu American University4 grants · $25,000
- Anti-Defamation League of B'Nai B'Rith3 grants · $19,500
- World Central Kitchen2 grants · $17,000
Giving over time
Grant history
All 47 reported grants, largest first.
- $16,000
International Planned Parenthood Federation · New York, NY · 2022
General contribution
- $16,000
Planned Parenthood Federation of America · New York, NY · 2022
General contribution
- $15,000
Smithsonian Institution · Washington, DC · 2025
General contribution
- $15,000
The Lighthouse Art Center · Tequesta, FL · 2024
General contribution
- $15,000
The Lighthouse Art Center · Tequesta, FL · 2023
General contribution
- $12,500
Smithsonian Institution · Washington, DC · 2024
General contribution
- $12,500
Smithsonian Institution · Washington, DC · 2023
General contribution
- $12,500
Smithsonian Institution · Washington, DC · 2022
General contribution
- $12,500
The Lighthouse Art Center · Tequesta, FL · 2022
General contribution
- $10,000
Fios Feminista (Int'L Planned Parenthood Fed Western Hemisphere Region) · New York, NY · 2025
General contribution
- $10,000
Planned Parenthood Federation of America · New York, NY · 2025
General contribution
- $10,000
Fios Feminista (Int'L Planned Parenthood Fed Western Hemisphere Region) · New York, NY · 2024
General contribution
- $10,000
Planned Parenthood Federation of America · New York, NY · 2024
General contribution
- $10,000
Fios Feminista (Int'L Planned Parenthood Fed Western Hemisphere Region) · New York, NY · 2023
General contribution
- $10,000
Planned Parenthood Federation of America · New York, NY · 2023
General contribution
- $10,000
World Central Kitchen · Washington, DC · 2022
General contribution
- $9,000
Simon Wiesenthal Centermuseum of Tolerance · Los Angeles, CA · 2025
General contribution
- $8,500
United States Holocaust Memorial Museum · Washington, DC · 2025
General contribution
- $8,500
United States Holocaust Memorial Museum · Washington, DC · 2024
General contribution
- $8,000
American Technion Society · New York, NY · 2025
Student support
- $8,000
American Technion Society · New York, NY · 2024
Student support
- $8,000
Simon Wiesenthal Centermuseum of Tolerance · Los Angeles, CA · 2024
General contribution
- $8,000
American Technion Society · New York, NY · 2023
Student support
- $8,000
American Technion Society · New York, NY · 2022
Student support
- $7,500
Anti-Defamation League of B'Nai B'Rith · New York, NY · 2025
General contribution
- $7,500
Wamu American University · Washington, DC · 2025
General contribution
- $7,500
Wamu American University · Washington, DC · 2022
General contribution
- $7,000
World Central Kitchen · Washington, DC · 2023
General contribution
- $6,500
Hillel International · Washington, DC · 2025
General contribution
- $6,000
Jewbelong · New York, NY · 2025
General contribution
- $6,000
The Jewish Federation of Greater Washington · Rockville, MD · 2025
General contributiion
- $6,000
Anti-Defamation League of B'Nai B'Rith · New York, NY · 2024
General contribution
- $6,000
Anti-Defamation League of B'Nai B'Rith · New York, NY · 2023
General contribution
- $6,000
Mandel Jcc of the Palm Beaches · West Palm Beach, FL · 2023
General contribution
- $6,000
Simon Wiesenthal Centermuseum of Tolerance · Los Angeles, CA · 2023
General contribution
- $6,000
United States Holocaust Memorial Museum · Washington, DC · 2023
General contribution
- $6,000
Simon Wiesenthal Centermuseum of Tolerance · Los Angeles, CA · 2022
General contribution
- $6,000
United States Holocaust Memorial Museum · Washington, DC · 2022
General contribution
- $5,500
Mandel Jcc Palm Beach Gardens · West Palm Beach, FL · 2022
Adult education
- $5,000
Mandel Jcc of the Palm Beaches · Palm Beach Gardens, FL · 2025
General contribution
- $5,000
Mandel Jcc of the Palm Beaches · Palm Beach Gardens, FL · 2024
General contribution
- $5,000
Wamu American University · Washington, DC · 2024
General contribution
- $5,000
Wamu American University · Washington, DC · 2023
General contribution
- $4,000
Hillel International · Washington, DC · 2024
General contribution
- $4,000
Jewbelong · New York, NY · 2024
General contribution
- $4,000
The Jewish Federation of Greater Washington · Rockville, MD · 2024
General contributiion
- $3,500
Jewbelong · Upper Montclair, NJ · 2023
General contribution
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Similar purposes
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Similar grant size
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Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

