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
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
No grants recorded for .
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
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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