Winiarski Family Foundation
The Winiarski Family Foundation is a private foundation established in 2007 and based in Napa, California. The foundation makes grants supporting conservation, preservation, education, and community initiatives, with a particular emphasis on wine industry-related causes and organizations serving the Napa Valley region and beyond.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.8M
-86.8% YoY
Annual Giving
$14.2M
+257.8% YoY
Grant Count
6
-78.6% YoY
Avg Grant Size
$2.4M
+1569.8% YoY
Mission & Focus Areas
The foundation does not maintain a publicly stated mission statement. However, based on grantmaking patterns, the foundation supports:
- Conservation and preservation efforts
- Wine industry advancement and research
- Education and academic institutions
- Community organizations and social services
- Agricultural preservation
- Food and wine history and writing
Grantmaking
The foundation made 46 grants in 2023. Recent grant recipients include:
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in California, with particular emphasis on Napa County and the broader Napa Valley region. However, grants have also been made to national organizations, including the Smithsonian Institution.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 31, 2023:
- Total Assets: $13,626,602
- Total Revenues: $727,076
- Total Expenses: $4,148,275
- Investment Income and Dividends: $499,180
- Net Gain from Sale of Non-Inventory Assets: $227,878
- Number of Employees: 0
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,803,226 | $13,626,602 | $17,047,801 |
| Revenue | $2,450,508 | $727,076 | $450,546 |
| Expenses | $14,291,128 | $4,148,275 | $1,022,437 |
| Qualifying Distributions | $14,238,389 | $4,051,279 | $934,286 |
| Net Investment Income | $1,865,232 | $638,962 | $367,503 |
| Distributable Amount | $382,027 | $85,095 | $892,180 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
Grant Size Distribution
169 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Warren Winiarski serves as a key figure associated with the foundation. The foundation is identified as the Winiarski Family Foundation, suggesting involvement of Warren and Barbara Winiarski.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| GREG BENNETT | PRESIDENT / DIRECTOR | 1 | — |
| STACY MADIGAN | SECRETARY / DIRECTOR | 1 | — |
| THOMAS SUNIVILLE | CFO / DIRECTOR | 1 | — |
Recent News & Activity
Recent developments and announcements
The foundation has been active in recent years with several notable philanthropic initiatives:
In 2023, Warren Winiarski partnered with UC Davis Library to establish the Spurrier-Winiarski Wine Writer-in-Residence Award, committing $50,000 annually for residencies in 2024 and 2025
Spurrier-Winiarski Wine Writer-in-Residence Award - UC Davis LibraryThe foundation has made grants supporting Colorado's wine industry
The Winiarski Family Foundation Awards Grant To Support Colorado Wine IndustryThe foundation has supported multiple conservation and preservation organizations, including the Land Trust of Napa County, Napa County Open Space District, and the Jack L. Davies Napa Valley Agricultural Preservation Fund
Grants have been directed to educational institutions including UC Davis and St. John's College
Support has been provided to community organizations including If Given A Chance and The Pathway Home
Contact Information
Address: 5766 Silverado Trail, Napa, CA 94558-9413
Telephone: 707-224-8822
EIN: 26-0474242
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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