Proton Therapy Consortium
To promote education and public awareness for the benefits of proton therapy for therapeutic cancer treatment in the united states.
Proton Therapy Consortium at a glance
In short: Proton Therapy Consortium gave $11K across 1 grant in 2025 (avg $11K), mostly in Missouri. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $11,245
- Grants made (2025)
- 1
- Average grant
- $11,245
- Median grant
- $11,245
- Total assets
- $2,627,246
- +18.7% vs 2024
- Primary geography
- Missouri (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Proton Therapy Consortium funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Washington University in St Louis ($11K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 3 grants of 4 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
How Proton Therapy Consortium gives
- Giving fell 55% from 2022 to 2025. 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 2021 to 2025, annual grant giving ranged from $100 (2021) to $63K (2023). In 2025 it made 1 grant totaling $11K.
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 |
|---|---|---|
| Washington University in St Louis St. Louis, MO | General Assistance | $11,245 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $2,627,246 | $1,646,901 | $1,436,693 | $11,245 | 1 | $13,776 |
| 2024 | $2,212,688 | $1,522,219 | $1,495,585 | — | — | $25,719 |
| 2023 | $2,212,613 | $1,381,031 | $1,453,363 | $62,500 | 2 | $18,897 |
| 2022 | $2,172,309 | $1,703,711 | $1,637,499 | $25,000 | 1 | $1,699 |
| 2021 | $1,984,486 | $1,488,380 | $1,189,209 | $100 | Total only | $6 |
| 2020 | $773,115 | $1,263,650 | $1,132,263 | — | — | — |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About Proton Therapy Consortium
Based on IRS filings
Proton Therapy Consortium is a public charity focused on Medical Research, based in Jacksonville, FL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.6M in total assets. In 2025, it awarded 1 grant totaling $11K. Net investment income was $14K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Proton Therapy Consortium is led by Jennifer Maggiore, Executive Director on every filing since 2020; 1 of 19 officers listed in 2025 is compensated.
Officers on the 2025 filing
Jennifer Maggiore
Executive Director
On filings since 2020
40 hrs/week
$296K (2020) → $355K (2025)
Vickie Miller
Chair
Board Chair → Director, 2021
Director → Chair, 2023
On filings since 2020
1 hr/week
No compensation reported
Andrew Chang
Director
Board → Director, 2021
On filings since 2020
1 hr/week
No compensation reported
Fern Nibauer-Cohen
Director
Board → Director, 2021
On filings since 2020
1 hr/week
No compensation reported
Isabelle Choi
Director
Board → Director, 2021
On filings since 2020
1 hr/week
No compensation reported
James Gray
Director
Board → Director, 2021
On filings since 2020
1 hr/week
No compensation reported
Steven Frank
Director
Board → Director, 2021
On filings since 2020
1 hr/week
No compensation reported
Ashish Chawla
Director
On filings since 2021
1 hr/week
No compensation reported
Charles Yoo
Director
On filings since 2022
1 hr/week
No compensation reported
Elizabeth Nichols
Director
On filings since 2022
1 hr/week
No compensation reported
Mark McDonald
Director
On filings since 2022
1 hr/week
No compensation reported
Michael Butkus
Director
On filings since 2022
1 hr/week
No compensation reported
Stephanie Perkins
Director
On filings since 2022
1 hr/week
No compensation reported
Tom Welch
Director
On filings since 2022
1 hr/week
No compensation reported
Steven Holan
Director
On filings since 2023
1 hr/week
No compensation reported
Darrin Kistler
Director
On filings since 2024
1 hr/week
No compensation reported
Helen Shih
Director
On filings since 2024
1 hr/week
No compensation reported
Judy Chatigny
Director
On filings since 2024
1 hr/week
No compensation reported
Kristin A. Morris Heath
Secretary & Treasurer
Director → Secretary & Treasurer, 2024
On filings since 2021
1 hr/week
No compensation reported
Former officers (16)
- Former: Abram Gordon (2020–2023) — Chair & Treasurer
- Former: Yoly Magana (2020–2023) — Director
- Former: Lindsay Pruett (2022–2023) — Director
- Former: Marybeth Sullivan (2022–2023) — Director
- Former: Stuart Klein (2020–2022) — Secretary
- Former: Chris Chandler (2020–2021) — Director
- Former: Jerry Rymar (2020–2021) — Director
- Former: Katina Wood (2020–2021) — Director
- Former: Brian Baumann MD (2021) — Director
- Former: Yolanda Magana RN MBA (2021) — Director
- Former: Ziette Hayes MD (2021) — Director
- Former: Annika Andrews (2020) — Board
- Former: Jeffrey Bradley (2020) — Board
- Former: JJ Vitale (2020) — Board
- Former: Keith Gregory (2020) — Board
- Former: Kristin Morris (2020) — Board
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $355K, to Jennifer Maggiore (Executive Director).
Frequently asked questions about Proton Therapy Consortium
How much does Proton Therapy Consortium give each year?
Proton Therapy Consortium gave $11K across 1 grant in 2025, according to its 2025 IRS Form 990.
How large is Proton Therapy Consortium?
Proton Therapy Consortium reported $2.6M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.6M.
What is Proton Therapy Consortium?
Proton Therapy Consortium is a public charity focused on Medical Research, based in Jacksonville, FL. It holds $2.6M in total assets as of 2025.
Where does Proton Therapy Consortium operate?
Proton Therapy Consortium has awarded grants in Missouri, Texas.
What is Proton Therapy Consortium's EIN?
Proton Therapy Consortium's EIN (Employer Identification Number) is 27-4380124. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS October 12, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS October 19, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS October 29, 2024)
- Added Form 990 for fiscal year 2025 (received by the IRS August 10, 2026)
Live grants for the work Proton Therapy Consortium funds
Medical Research Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Proton Therapy Consortium's focus areas in our free grants database
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