Private Foundation

MARK AND CAROLYN GUIDRY FOUNDATION

MARK AND CAROLYN GUIDRY FOUNDATION is a Private Foundation headquartered in LOS ALTOS, CA. Financial data from the 2025 filing: $795K revenue, $613K expenses, $2.3M total assets. IRS filings disclose 107 grants awarded by this foundation, totaling roughly $2.8M.

EIN: 943185161 LOS ALTOS, CA Latest filing: 2025
Total Revenue$795K
Total Expenses$613K
Total Assets$2.3M
Grants Given107
Grant Total$2.8M
Filing Years2019–2025

Before you apply to Mark and Carolyn Guidry Foundation

Preselected only Doesn't accept unsolicited requests for funds, per its 2025 Form 990-PF.

Rarely funds new orgs 9% of recent recipients were first-time grantees (2023–2025).

Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.

Sample Grants Given

SIERRA NEVADA CHILDREN'S MUSEUM
TRUCKEE, CA · 2025
CHARITABLE GRANT
$400,000
SAN JOSE STATE UNIVERSITY
SAN JOSE, CA · 2025
CHARITBALE GRANT
$75,000
CHICO STATE UNIVERSITY
CHICO, CA · 2025
CHARITABLE GRANT
$40,000
RAFT
SAN JOSE, CA · 2025
CHARITABLE GRANT
$30,000
CAL POLY SAN LUIS OBISPO
SAN LUIS OBISPO, CA · 2025
CHARITABLE GRANT
$25,000

Showing up to 5 of 107 total records — full history available with membership.

Officers & Directors

TREASURER David Guidry
PRESIDENT & SECRETARY Gayle G Dilley
VICE PRESIDENT Mike Guidry

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$2,232,500 86 grants
Education
$31,000 11 grants
Unspecified
$576,500 10 grants

Financial Trends

Year Revenue Expenses Assets
2025 $795K $613K $2.3M
2024 $648K $546K $2.1M
2023 $459K $562K $2.0M
2020 $156K $226K $2.3M
2019 $301K $212K $2.4M

Between 2019 and 2025, reported annual revenue grew from $301K to $795K (+164%), with total assets most recently reported at $2.3M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA, IA, IN, LA, MS, NV, and 1 other state.

CAIAINLAMSNVWA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for MARK AND CAROLYN GUIDRY FOUNDATION

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