The George Mason Green and Lois C
The George Mason Green and Lois C. Green Foundation is a private foundation based in Tucson, Arizona. It is one of 11 private foundations operating collectively as the Tucson Foundations, whose shared mission is to support grantees in the Greater Tucson area, meet community needs, and align giving with donor intent.
The George Mason Green and Lois C at a glance
In short: The George Mason Green and Lois C gave $667K across 4 grants in 2024 (avg $167K), mostly in Arizona. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $667,255
- -6.2% vs 2023
- Grants made (2024)
- 4
- +0.0% vs 2023
- Average grant
- $166,814
- -6.2% vs 2023
- Median grant
- $7,500
- Total assets
- $20,442,333
- +15.6% vs 2023
- Primary geography
- Arizona (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
How to apply to The George Mason Green and Lois C
- Accepts unsolicited proposals
- No
- How to Apply
-
The Tucson Foundations does not accept unsolicited requests. The foundation’s filing lists an informal request with proposed budgets and a copy of the organization’s IRS determination letter as materials. The funding page says organizations that have never received funding may contact the foundations to discuss alignment and that proposals written for other funders may be accepted.
- Review Cycle
- None is listed on the foundation’s filing.
- Deadline
- None is listed on the foundation’s filing.
- Contact
Application contact: Linda Lohse
Mailing address: 2440 E Broadway, Tucson, AZ 85719
Phone: (520) 791-3939
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The George Mason Green and Lois C funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2024
The largest 2024 recipient was University of Arizona Foundation ($651K). Together the top 4 received $667K.
Grant Size Distribution
31 grants across all recorded years
The most common grant size was under $50K: 12 grants of 31 (39%).
Geographic Focus
Where this funder awards grants
The foundation’s filing restricts awards to Arizona. All of its reported 2024 grant dollars went to recipients in Arizona.
Grant Distribution by State
Share of 2024 grant dollars across all 4 itemized grants.
States
Cities
How The George Mason Green and Lois C gives
- Giving fell 31% from 2021 to 2024. Method
- In 2024 it paid out 89% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $596K (2022) to $969K (2021). In 2024 it made 4 grants totaling $667K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Arizona Foundation Tucson, AZ | Capital Campaign, Athletics, Unrestricted IMO | $651,000 |
| United Way of Tucson & Southern AZ Tucson, AZ | Cradle to Career | $10,000 |
| Literacy Connects Tucson, AZ | Unrestricted in Memory/Honor | $5,000 |
| YMCA of Southern Arizona Tucson, AZ | Capital Funds | $1,255 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $20,442,333 | $3,613,265 | $797,443 | $667,255 | 4 | $745,750 | $1,000,961 | $838,539 |
| 2023 | $17,682,025 | $1,045,553 | $836,842 | $711,169 | 4 | $786,263 | $968,837 | $792,238 |
| 2022 | $17,473,314 | $1,296,995 | $710,960 | $595,726 | 7 | $666,399 | $1,049,150 | $817,538 |
| 2021 | $16,887,279 | $1,150,827 | $1,083,098 | $969,226 | 7 | $1,042,008 | $911,328 | $916,461 |
| 2020 | $16,819,550 | $1,105,528 | $1,055,500 | $954,226 | 9 | — | $829,199 | $875,855 |
Under IRS private-foundation payout rules, The George Mason Green and Lois C reported a distributable amount of $839K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s donor interests, as described by the Tucson Foundations, are hospitals, child welfare, libraries, public radio and television, and the arts. The collective Tucson Foundations mission is to support Greater Tucson grantees, meet community needs, align with donor intent, and help close service gaps.
Among its 2024 grantees, the University of Arizona Foundation describes its mission as supporting and enhancing the University of Arizona’s vision, mission, and values through the development and management of private support. Literacy Connects says it connects people of all ages to opportunities through literacy and creative expression. The YMCA of Southern Arizona describes its work as improving quality of life and helping people reach their potential through youth development, healthy living, and social responsibility.
Grantmaking
In 2024, the foundation reported four grants totaling $667,255. The grants ranged from $1,255 to $651,000, with a median grant of $7,500. The largest grant was $651,000 to the University of Arizona Foundation for “Capital Campaign, Athletics, Unrestricted IMO.” Other grants included $10,000 to United Way of Tucson & Southern AZ for “Cradle to Career,” $5,000 to Literacy Connects for “Unrestricted in Memory/Honor,” and $1,255 to YMCA of Southern Arizona for “Capital Funds.”
The foundation’s filing states that giving is not restricted to preselected organizations and lists an informal request, proposed budgets, and a copy of the organization’s IRS determination letter as application materials. The Tucson Foundations’ funding page says it does not accept uninvited grant proposals; it describes a process based on meetings and scheduled funding.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Robert Lohse as president, Jennifer Lohse as vice president, and Linda Lohse as secretary/treasurer. Patricia Lohse is listed as chief financial officer and not on the board.
The George Mason Green and Lois C is led by Robert Lohse, President on every filing since 2020; 3 of 4 officers listed in 2024 are compensated.
Officers on the 2024 filing
Robert Lohse
President
On filings since 2020
1 hr/week
No compensation reported
Jennifer Lohse
Vice President
On filings since 2020
15 hrs/week
$21K (2020) → $22K (2024)
Linda Lohse
Secretary & Treasurer
Secretary → Secretary & Treasurer, 2022
On filings since 2020
15 hrs/week
$23K (2020) → $21K (2024)
Patricia Lohse
Chief Financial Officer
Treasurer → Chief Financial Officer, 2022
On filings since 2020
15 hrs/week
$21K (2020) → $22K (2024)
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $22K, to Jennifer Lohse (Vice President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about The George Mason Green and Lois C
How much does The George Mason Green and Lois C give each year?
The George Mason Green and Lois C gave $667K across 4 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $711K across 4 grants.
What is The George Mason Green and Lois C's typical grant size?
The George Mason Green and Lois C's median grant in 2024 was $7,500, and its average grant was $166,814, across 4 grants on its 2024 IRS Form 990-PF.
Where does The George Mason Green and Lois C give grants?
The George Mason Green and Lois C gives mostly in Arizona: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Tucson, AZ (4 grants).
Does The George Mason Green and Lois C give general operating support?
Yes: 50% of The George Mason Green and Lois C's 2024 grants with a stated purpose (2 of 4) were for general or operating support, per its 2024 IRS Form 990-PF.
How large is The George Mason Green and Lois C?
The George Mason Green and Lois C reported $20.4M in total assets on its 2024 IRS Form 990-PF. It paid out $746K in qualifying distributions that year, against a required minimum of $839K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The George Mason Green and Lois C fund?
The foundation’s donor interests, as described by the Tucson Foundations, are hospitals, child welfare, libraries, public radio and television, and the arts. See mission & focus areas ↑
How do I apply for a grant from The George Mason Green and Lois C?
The Tucson Foundations does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The George Mason Green and Lois C's EIN?
The George Mason Green and Lois C's EIN (Employer Identification Number) is 74-2379340. IRS Form 990 filing data is available on this page for 2020–2024.
Does The George Mason Green and Lois C accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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