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The Jon Holden Dehaan Foundation

Accepts applications Naples, Florida · EIN 346924212

The Jon Holden Dehaan Foundation is a private foundation in Naples, Florida. In tax year 2025 it gave $800,000 in 3 grants; the typical grant was $200,000 and the largest $400,000. It accepts applications; its filing gives the instructions below.

From its IRS Form 990-PF for tax year 2025.

Giving in 2025 was down from $810,000 the year before.

0% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.

Giving by year

Tax yearGrants paidNumber of grantsAssets
2022$600,0003$6.9 million
2023$400,0002$7.6 million
2024$810,0005$8.0 million
2025$800,0003$8.0 million

How to apply

ContactJon H Dehaan
1020 8th Avenue South 1, Naples, FL 34102
Phone or email(239) 435-9050
What to submitWritten application and 501(c)(3) determination letter
Restrictions501(c)(3) organizations focused on education or medicine and other organizations that demonstrate funds will be used for charitable purposes

As written in the foundation's IRS filing for tax year 2025. Details may have changed since.

IRS filings on ProPublica

What The Jon Holden Dehaan Foundation funds

Where it gives

All of its US grants went to recipients in New York. It also paid $400,000 in 2 grants to recipients outside the US.

StateGrantsAmount
New York1$400,000

Grants paid in 2025

All 3 grants
RecipientPurposeAmount
Cardiovascular Research Foundation
New York, NY
Awards for innovation in interventional cardiology$400,000
Europa GroupAwards for innovation in interventional cardiology$200,000
Ici Convention LTDAwards for innovation in interventional cardiology$200,000

Officers and trustees

As listed in Part VIII of the 2025 filing.

Questions people ask

Does The Jon Holden Dehaan Foundation accept grant applications?

Yes. Its latest IRS filing says it accepts applications.

How much does The Jon Holden Dehaan Foundation give?

$800,000 in tax year 2025, across 3 grants, with a typical grant of $200,000.

Who runs The Jon Holden Dehaan Foundation?

Its 2025 filing lists Jon H Dehaan (Trustee) and Thomas H Dehaan (Manager).

What does The Jon Holden Dehaan Foundation fund?

Based on its grants, mainly health, international and science and research.

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