Ross and Patty Mccallister Foundation
The Ross and Patty McCallister Foundation is a private foundation based in Tucson, Arizona. Established in 2012, it operates as a 501(c)(3) organization with a focus on supporting causes aligned with the philanthropic interests of its founders.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$451K
-13.1% YoY
Grant Count
28
-12.5% YoY
Avg Grant Size
$16K
-0.7% YoY
Mission & Focus Areas
The foundation's primary funding areas include:
- Education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
The foundation's work reflects the personal values and experiences of its founders, particularly their commitment to supporting organizations addressing health challenges that have affected their family.
Grantmaking
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in:
- Arizona
- Texas
- New York
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
Total Assets: $369,326
Total Giving: $451,000 (most recent filing)
Year Formed: 2012
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
141 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include The University of Arizona Foundation ($100,000), The Catholic University of America - Tucson ($76,000), Cystic Fibrosis Foundation - Arizona Chapter ($50,000).
| Recipient | Purpose | Amount |
|---|---|---|
| AMERICAN CANCER SOCIETY - AZ PHOENIX, AZ | PROGRAM SUPPORT | $1,000 |
| ARIZONA CENTER FOR AUTISM TUCSON, AZ | PROGRAM SUPPORT | $25,000 |
| ARIZONA-SONORA DESERT MUSEUM TUCSON, AZ | PROGRAM SUPPORT | $1,000 |
| BPS FOUNDATION LAS VEGAS, NV | PROGRAM SUPPORT | $25,000 |
| CYSTIC FIBROSIS FOUNDATION - ARIZONA CHAPTER TUCSON, AZ | CYSTIC FIBROSIS RESEARCH | $50,000 |
| EL RANCHITO DE LOS NINOS FOUNDATION LOS LUNAS, NM | PROGRAM SUPPORT | $5,000 |
| FLAGSTAFF FAMILY FOOD CENTER FLAGSTAFF, AZ | PROGRAM SUPPORT | $10,000 |
| IMAGO DEI MIDDLE SCHOOL TUCSON, AZ | PROGRAM SUPPORT | $5,000 |
| KATY CHRISTIAN MINISTRIES KATY, TX | PROGRAM SUPPORT | $10,000 |
| LEUKEMIA & LYMPHOMA SOCIETY INC RYE BROOK, NY | PROGRAM SUPPORT | $4,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
Founders & Principals:
Ross McCallister — Principal of MC Companies. Ross graduated from New Mexico State University in 1975 and began his career as President of a savings and loan association in Gallup, New Mexico from 1976 to 1983. He relocated to Tucson in 1983 to work for a real estate development firm, and in 1985 founded The McCallister Company to build, invest, and manage apartment communities. In 2001, he partnered with Ken McElroy to form MC Companies, which has built over 5,000 units and currently owns 8,000 units across 10 cities in Arizona, Texas, and Oklahoma. Ross serves on the Board of Directors of the Cystic Fibrosis Foundation and is a member of the Southern Arizona Leadership Council.
Patty McCallister — Co-founder and philanthropic partner. Patty met Ross in 1971 as a college freshman at New Mexico State University and they married in 1974. Together they have two daughters, Amanda and Anna, and three grandchildren.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ROSS MCCALLISTER | DIRECTOR/PRESIDENT/TREASURER | 5 | — |
| PATTY MCCALLISTER | DIRECTOR/VICE-PRESIDENT/SECRETARY | 3 | — |
| AMANDA TRONSDAL | DIRECTOR | 2.5 | — |
| ANNA MCCALLISTER NICHOLS | DIRECTOR | 2.5 | — |
Recent News & Activity
Recent developments and announcements
In October 2023, Ross and Patty McCallister were honored by the Cystic Fibrosis Foundation, Arizona Chapter, at their annual gala events in Tucson and Phoenix with the prestigious "Breath of Life" award for their philanthropy and support of Cystic Fibrosis. The events raised $459,000 towards CF efforts.
MC Companies\u2019 Owners Receive Accolades From the Cystic Fibrosis FoundationThe McCallisters' focus on cystic fibrosis began in 2007 when their granddaughter Jolene was diagnosed with the disease at six months old, followed by another granddaughter Cecilia's diagnosis at birth in 2012. This personal connection motivated them to direct their fundraising efforts toward the Cystic Fibrosis Foundation.
MC Companies\u2019 Owners Receive Accolades From the Cystic Fibrosis FoundationAs part of their broader community service commitment, MC Companies established the "Sharing the Good Life Foundation" to further the company's core value of "Be Giving," reflecting the McCallisters' dedication to philanthropy alongside their business operations.
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does Ross and Patty Mccallister Foundation fund?
The foundation's primary funding areas include: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services The foundation's work reflects the personal values and experiences of its founders, particularly their commitment to supporting organizations addressing health challenges that have affected their family.
How do I apply for a grant from Ross and Patty Mccallister Foundation?
**Grant Amounts:** Typical awards range from $500 to $100,000. **Total Annual Giving:** The foundation distributed $451,000 in grants according to recent financial data, with historical giving records showing $518,900 in total giving.
Where does Ross and Patty Mccallister Foundation make grants?
The foundation primarily supports organizations in: • Arizona • Texas • New York
What size grants does Ross and Patty Mccallister Foundation award?
In 2024, Ross and Patty Mccallister Foundation awarded 28 grants totaling $451K — an average of about $16K per grant, based on its IRS Form 990 filings.
What is Ross and Patty Mccallister Foundation's EIN?
Ross and Patty Mccallister Foundation's EIN (Employer Identification Number) is 45-2596526. IRS Form 990 filing data is available on this page for 2019–2024.
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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