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WINIARSKI FAMILY FOUNDATION

NAPA, CA EIN 26-0474242 Philanthropy & GrantmakingT22 501C3 PRIVATE FOUNDATION
$43.0M
Revenue
13
Filings
$68.6M
Total Grants
341
Grant Records
Latest Financial Summary
Fiscal Year Revenue Expenses Net Assets Contributions
FY 2025 $43.0M $43.1M $1.7M $42.9M
Full Financial History
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Key Officers
G
GREG BENNETT
PRESIDENT / DIRECTOR
S
STACY MADIGAN
SECRETARY / DIRECTOR
T
THOMAS SUNIVILLE
CFO / DIRECTOR
Executive Compensation
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Top Grant Recipients (Teaser)
ST JOHNS COLLEGE $37.5M
ST JOHNS COLLEGE $12.5M
QUEEN OF THE VALLEY MEDICAL CENTER FNDN $3.5M
341 total grants · $68.6M total giving
Complete Grants Database
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Filing History
990PF
FY 2025
Period ended 2025-12-31
IRS990PF
FY 2024
IRS990PF
FY 2023
990PF
FY 2022
990PF
FY 2021
Period ended 2021-12-31
IRS990PF
FY 2020
IRS990PF
FY 2019
990PF
FY 2018
Period ended 2018-12-31
990PF
FY 2017
Period ended 2017-12-31
990PF
FY 2016
Period ended 2016-12-31
990PF
FY 2015
Period ended 2015-12-31
990PF
FY 2014
Period ended 2014-12-31
990PF
FY 2013
Period ended 2013-12-31
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