Tholos Foundation
Tholos Foundation was created for the purpose of engaging in charitable and educational activities relating to the promotion of tax fairness and economic prosperity. Tholos accomplishes this mission through education and analysis.
Tholos Foundation at a glance
In short: Tholos Foundation gave $10K across 1 grant in 2024 (avg $10K), mostly in Massachusetts. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $10,000
- +39.8% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $10,000
- +39.8% vs 2023
- Median grant
- $10,000
- Total assets
- $4,108,256
- +18.5% vs 2023
- Primary geography
- Massachusetts (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
Who Tholos Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Fiscal Alliance Foundation ($10K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 4 grants of 4 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
How Tholos Foundation gives
- Giving fell 43% from 2021 to 2024. Method
From the foundation's IRS Form 990 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 $7K (2023) to $669K (2022). In 2024 it made 1 grant totaling $10K.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Fiscal Alliance Foundation Boston, MA | General Support | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $4,108,256 | $2,375,082 | $4,917,832 | $10,000 | 1 | $115,444 |
| 2023 | $3,468,200 | $2,746,957 | $4,978,442 | $7,151 | 1 | $108,198 |
| 2022 | $3,436,033 | $3,494,231 | $4,776,182 | $668,764 | Total only | $24,618 |
| 2021 | $2,525,474 | $1,841,532 | $3,224,691 | $17,500 | 1 | $677 |
| 2020 | $1,545,111 | $1,592,807 | $2,688,489 | $20,500 | 1 | $652 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About Tholos Foundation
Based on IRS filings
Tholos Foundation is a public charity, based in Washington, DC. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $4.1M in total assets. In 2024, it awarded 1 grant totaling $10K. Net investment income was $115K.
Leadership & Key People
Officers and directors from IRS filings
Tholos Foundation is led by Christopher Butler, Executive Director since 2022 (on filings since 2020); 8 of 12 officers listed in 2024 are compensated.
Officers on the 2024 filing
Christopher Butler
Executive Director
Executive Director → Chief of Staff, 2021
Chief of Staff → Executive Director, 2022
On filings since 2020
12 hrs/week
$52K (2020) → $65K (2024)
Grover G Norquist
President
On filings since 2020
16 hrs/week
$100K (2020) → $100K (2024)
Lorenzo Montanari
Director of International Programs & Affairs
Director of International Programs → Director of Int'l Programs & Affairs, 2022
Director of Int'l Programs & Affairs → Director of International Programs & Affairs, 2023
On filings since 2020
40 hrs/week
$155K (2020) → $197K (2024)
Patrick Gleason
Director of State Affairs
On filings since 2020
16 hrs/week
$55K (2020) → $77K (2024)
Andreas Hellman
Director of Outreach, Tax & Regulatory Procedures
Director of Outreach, Tax & Regulatory Policy → Director of Outreach, Tax & Regulatory Procedures, 2024
On filings since 2023
6 hrs/week
$23K (2023) → $25K (2024)
Timothy Andrews
Director of Consumer Issues
New on the 2024 filing
16 hrs/week
$59K (2024)
John Kartch
Vice President of Communications
On filings since 2020
18 hrs/week
$91K (2020) → $86K (2024)
Megan Worley
Vice President of Finance
On filings since 2020
20 hrs/week
$48K (2020) → $48K (2024)
Mark Klugmann
Board Member
On filings since 2020
1 hr/week
No compensation reported
Paul Smith
Board Member
On filings since 2020
1 hr/week
No compensation reported
Peter Balkin
Vice President
On filings since 2020
20 hrs/week
No compensation reported
Caren Tolozcko
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (5)
- Former: Caren Toloczko (2021–2023) — Board Member
- Former: Margaret Mire (2023) — Director of State Government Relations
- Former: Paul Prososki (2020–2022) — Board Member
- Former: Susan Hamill (2021) — Board Member
- Former: Paul Blair (2020) — Strategic Initiatives Director
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 $197K, to Lorenzo Montanari (Dir. of International Programs and Affairs). 8 officers or directors reported compensation on that filing.
Frequently asked questions about Tholos Foundation
How much does Tholos Foundation give each year?
Tholos Foundation gave $10K across 1 grant in 2024, according to its 2024 IRS Form 990. In 2023 it gave $7K across 1 grant.
How large is Tholos Foundation?
Tholos Foundation reported $4.1M in total assets on its 2024 IRS Form 990. Its revenue that year was $2.4M.
Where does Tholos Foundation operate?
Tholos Foundation has awarded grants in Massachusetts, Virginia.
What is Tholos Foundation's EIN?
Tholos Foundation's EIN (Employer Identification Number) is 52-1400492. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 14, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 17, 2025)
- IRS filings on file for fiscal years 2020–2024
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Tholos Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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