The Linda and Mike Mussallem Foundation
Invitation OnlyWilmington, Delaware · EIN 81-4585573 · Private foundation
Grants paid (2024)$21.2M
Organizations funded2
Typical grant$1,200,000
Total assets$98.8M
Half of its grants to organizations were between $1,200,000 and $20,000,000.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
Where it gives
100% of grants went outside Delaware.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Stanford University | Stanford, CA | Center for Biodesign | $20,000,000 |
| Massachusetts General Hospital | Boston, MA | Mussallem Transformative Scholars in ALS Research Award Fund and Translations of Human Neuron Screen Hits from the Lab | $1,200,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $21,200,000 | 2 |
| 2023 | $4,151,218 | 3 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202543219349102919
- IRS Tax Exempt Organization Search for EIN 81-4585573
- Profile updated Nov 8, 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.