M & T Foundation
Historical FunderRancho Santa Fe, California · EIN 45-4482686 · Private foundation
Half of its grants to organizations were between $25,000 and $75,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | Greg Potenziani |
|---|---|
| Address | PO Box 676370, Rancho Santa Fe CA 92067 |
| Phone | 8587500154 |
| Form and materials | Applications should be submitted in written letter form. |
| Deadlines | N/A |
| Restrictions | N/A |
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
70% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Notre Dame | Notre Dame, IN | Constitutional law | $500,000 |
| Benedectine College | Atchison, KS | General support | $100,000 |
| Napa Institute Legal Foundation | Washington, DC | Outreach events & team expansion | $100,000 |
| University of San Diego | San Diego, CA | Endowment | $100,000 |
| The Evermode Institute | Springfield, IL | General support | $75,000 |
| International Business Council | Grand Rapids, MI | General support | $50,000 |
| Saint Pius X High School | Albuquerque, NM | Alumni & Student Commons Project | $50,000 |
| Saint Thomas Aquinas High School | Rio Rancho, NM | General support | $25,000 |
| Gilmour Academy | Gates Mills, OH | General support | $25,000 |
| Encinitas Education Foundation | Encinitas, CA | Flora vista | $25,000 |
| Honduran Children Rescue Fund | University Heights, OH | Nuevo paraiso house rebuild | $25,000 |
| Teen Challenge International | San Diego, CA | Support for southern california | $25,000 |
| The Diocese of Roseau Cathedral | Southwest Ranches, FL | Cathedral renovation | $25,000 |
| YMCA of San Diego County | San Diego, CA | Dreamcatcher campaign | $20,000 |
| Child Nutrition Program of Southern | LA Mesa, CA | General support | $12,000 |
| Marmion Academy | Aurora, IL | Two scholarships | $10,000 |
| Serenelli Project | Cincinnati, OH | Renovation monastic prison re-entry house | $5,000 |
The return also lists 6 grants to individuals ($305,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,477,000 | 23 |
| 2023 | $1,425,000 | 9 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 7, 2025 - IRS e-file batch, object ID 202533119349101233
- IRS Tax Exempt Organization Search for EIN 45-4482686
- Profile updated Nov 5, 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.