The Deena Jo Heide-Diesslin Foundation
Historical FunderKeller, Texas · EIN 27-4319263 · Private foundation
Half of its grants to organizations were between $25,000 and $105,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | DEENA JO HEIDE-DIESSLIN FOUNDATION |
|---|---|
| Address | 764 BANDIT TRL, KELLER TX 76248 |
| Phone | 8178835526 |
| Form and materials | DEENA JO HEIDE-DIESSLIN FOUNDATION SEE EXHIBIT 1 |
| Deadlines | DEENA JO HEIDE-DIESSLIN FOUNDATION SEE EXHIBIT 1 |
| Restrictions | DEENA JO HEIDE-DIESSLIN FOUNDATION SEE EXHIBIT 1 |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
75% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Doctors Without Borders | New York, NY | General support | $400,000 |
| CFP Board of Standards | Washington, DC | General Support | $105,000 |
| Heifer International | Little Rock, AR | General support | $53,700 |
| Cancer Care Services | Fort Worth, TX | General support | $25,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $583,700 | 4 |
| 2023 | $949,500 | 8 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202523219349102302
- IRS Tax Exempt Organization Search for EIN 27-4319263
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.