Joann and John J Tambakis Charitable
Joann and John J Tambakis Charitable is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PALM BEACH GARDENS, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 1 grants totaling $100K. Net investment income was $46K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.5M
-4.9% YoY
Annual Giving
$100K
-9.9% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$100K
-9.9% YoY
About Joann and John J Tambakis Charitable
Based on IRS filings
Joann and John J Tambakis Charitable is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in PALM BEACH GARDENS, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 1 grants totaling $100K. Net investment income was $46K.
Focus Areas
Ready to take the next step with Joann and John J Tambakis Charitable?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,490,842 | $1,566,999 | $1,700,626 |
| Revenue | $68,023 | $18,247 | $31,324 |
| Expenses | $144,180 | $151,874 | $169,717 |
| Qualifying Distributions | $101,317 | $111,000 | $150,000 |
| Net Investment Income | $46,115 | $23,311 | $42,236 |
| Distributable Amount | $94,173 | $82,092 | $85,260 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
6 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 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JOANN TAMBAKIS | PRESIDENT | 1 | — |
| JOHN J TAMBAKIS | VICE PRESIDENT/TREASURER | 1 | — |
| REBECCA G DOANE | SECRETARY | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Related Funders
Similar funders by location and focus area
Virgil P Warren Fdn Tr Ua
ORLANDO, FL
Assets
$4.2M
Grants
14
Total Given
$96K
The Fritch Foundation
FT LAUDERDALE, FL
Assets
—
Grants
17
Total Given
$167K
Leiman Asterisk Foundation Inc
DELRAY BEACH, FL
Assets
$1.2M
Grants
2
Total Given
$62K
Rachel Memorial Foundation
SANTA RSA BCH, FL
Assets
—
Grants
6
Total Given
$10K
My Brother'ssister's Keeper Charitable
ROYAL PALM BEACH, FL
Assets
$462K
Grants
1
Total Given
$50K
The Shore Lane Family Foundation Inc
BOCA GRANDE, FL
Assets
$335
Grants
20
Total Given
$430K
Data last updated April 2026. Sourced from IRS Form 990-PF filings.
What could you do with Joann and John J Tambakis Charitable on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities