Walter and Lillian Siben Foundation
Walter and Lillian Siben Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOCA RATON, FL. IRS filing data is available from 2020 through 2022. In 2022, it awarded 25 grants totaling $756K. Net investment income was $216K.
Financial Overview
From 2022 IRS Form 990-PF · View filing
Total Assets
—
-100.0% YoY
Annual Giving
$756K
+1133.3% YoY
Grant Count
25
+0.0% YoY
Avg Grant Size
$30K
+1133.3% YoY
Under IRS private-foundation payout rules, Walter and Lillian Siben Foundation reported a distributable amount of $18K for 2022 — the minimum it must pay out in qualifying distributions.
About Walter and Lillian Siben Foundation
Based on IRS filings
Walter and Lillian Siben Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOCA RATON, FL. IRS filing data is available from 2020 through 2022. In 2022, it awarded 25 grants totaling $756K. Net investment income was $216K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2022 | 2021 | 2020 |
|---|---|---|---|
| Total Assets | — | $542,572 | $493,094 |
| Revenue | $222,714 | $131,086 | $48,724 |
| Expenses | $764,962 | $81,917 | $45,462 |
| Qualifying Distributions | $758,986 | $69,920 | — |
| Net Investment Income | $216,415 | $68,132 | $39,318 |
| Distributable Amount | $17,526 | $37,115 | $30,183 |
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 2022
Grant Size Distribution
70 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2022 grants, the largest include Schwab Charitable Fund ($220,000), Peta ($160,000), Bethesda Hospital Foundation Inc ($60,000).
| Recipient | Purpose | Amount |
|---|---|---|
| BETHESDA HOSPITAL FOUNDATION INC BOYNTON BEACH, FL | UNRESTRICTED HOSPITAL SUPPORT RELATED GRANT | $60,000 |
| THE SOUP KITCHEN INC BOYNTON BEACH, FL | UNRESTRICTED INDIGENT CARE RELATED OPERATING GRANT | $60,000 |
| NATIONAL HUMANE SOCIETY WASHINGTON, DC | UNRESTRICTED ANIMAL CARE RELATED OPERATING GRANT | $10,000 |
| STRAY FERAL CAT RESCUE INC DEERFIELD BEACH, FL | UNRESTRICTED ANIMAL CARE RELATED OPERATING GRANT | $1,000 |
| CARIDAD CENTER INC BOYNTON BEACH, FL | UNRESTRICTED INDIGENT HEALTH SERVICES RELATED OPERATING GRANT | $40,000 |
| RAINING CATS AND DOGS INC PORT ST LUCIE, FL | UNRESTRICTED ANIMAL CARE RELATED OPERATING GRANT | $1,000 |
| PETA NORFOLK, VA | UNRESTRICTED ANIMAL RIGHTS RELATED OPERATING GRANT | $160,000 |
| FEEDING SOUTH FLORIDA PEMBROKE PARK, FL | UNRESTRICTED GRANT TO PROVIDE FOOD TO SOUTH FLORIDIANS | $40,000 |
| SARASOTA IN DEFENSE OF ANIMALS SARASOTA, FL | UNRESTRICTED ANIMAL RESCUE RELATED OPERATING GRANT | $10,000 |
| LADY LUCK ANIMAL RESUCE INC LAKE WORTH, FL | UNRESTRICTED ANIMAL RESCUE RELATED OPERATING GRANT | $15,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2022 IRS filing
From 2022 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JEFFREY SIBEN | Director | 5 | $3,750 |
| GARY SIBEN | SECY/TREAS | 0.5 | — |
| SUSANNE SIBEN TABOR | Director | 0.5 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Walter and Lillian Siben Foundation?
Walter and Lillian Siben Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOCA RATON, FL. It holds — in total assets as of 2022.
Where does Walter and Lillian Siben Foundation operate?
Walter and Lillian Siben Foundation has awarded grants in California, District of Columbia, Florida, Georgia, New York, Tennessee, Virginia.
What size grants does Walter and Lillian Siben Foundation award?
In 2022, Walter and Lillian Siben Foundation awarded 25 grants totaling $756K — an average of about $30K per grant, based on its IRS Form 990 filings.
How much is Walter and Lillian Siben Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2022, Walter and Lillian Siben Foundation reported a distributable amount of $18K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Walter and Lillian Siben Foundation's EIN?
Walter and Lillian Siben Foundation's EIN (Employer Identification Number) is 11-3337637. IRS Form 990 filing data is available on this page for 2020–2022.
Explore Open Grants
Browse active grant opportunities in Walter and Lillian Siben Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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