American Association of Physicists in Medicine
Advancing medicine through excellence in the science, education and professional practice of medical physics. The mission is carried out through driving scientific and clinical innovation in medical physics to improve human health, enhancing the value of aapm membership experience and services, promoting the leadership role of the organization and its members, cultivating excellence in medical physics education, practicing stewardship in continuous assessment fo programs and services, improving communication internally and externally, ensuring high quality patient care and championing equity diversity and including in the field of medical physics.
Key facts about American Association of Physicists in Medicine
In short: American Association of Physicists in Medicine gave $325K across 8 grants in 2024 (avg $41K), top state Texas. Source: 2024 IRS Form 990.
- EIN
- 23-7057224
- Latest 990 filing
- Form 990, 2024
- Annual giving (2024)
- $325,000
- Grants made (2024)
- 8
- Average grant
- $40,625
- Median grant
- $35,000
- Total assets
- $30,279,659
- Primary geography
- Texas (38% of itemized 2024 grant dollars)
Data from IRS Form 990, 2024; updated September 2026.
Financial Overview
From 2024 IRS Form 990 · View filing
Total Assets
$30.3M
+4.1% YoY
Annual Giving
$325K
-7.7% YoY
Grant Count
8
-33.3% YoY
Avg Grant Size
$41K
+38.5% YoY
About American Association of Physicists in Medicine
Based on IRS filings
American Association of Physicists in Medicine is a public charity focused on Science & Technology, based in Alexandria, VA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $30.3M in total assets. In 2024, it awarded 8 grants totaling $325K. Net investment income was $606K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 8 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $324K (2022) to $352K (2023). In 2024 it made 8 grants totaling $325K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was UT MD Anderson Cancer Center ($90K). Together the top 8 received $325K.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 30 grants of 35 (86%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| UT MD Anderson Cancer Center Houston, TX | Scholarships & Awards | $90,000 |
| University of Washington Seattle, WA | Scholarships & Awards | $60,000 |
| University of Kentucky Lexington, KY | Scholarships & Awards | $45,000 |
| The Medical University of South Carolina Charleston, SC | Scholarships & Awards | $35,000 |
| University of Texas Southwestern Medical Center Dallas, TX | Scholarships & Awards | $35,000 |
| Johns Hopkins University Baltimore, MD | Scholarships & Awards | $25,000 |
| Board of Trustees of the Leland Stanford Junior University Stanford, CA | Scholarships & Awards | $25,000 |
| University of Pennsylvania Philadelphia, PA | Scholarships & Awards | $10,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $30,279,659 | $29,085,205 | $28,007,389 |
| Revenue | $12,033,446 | $12,185,377 | $11,773,252 |
| Expenses | $13,027,234 | $12,296,664 | $11,417,038 |
| Net Investment Income | $605,704 | $910,305 | $353,934 |
Data update history
When this profile's IRS filing data changed on Grantable
- 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 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 17, 2025)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
American Association of Physicists in Medicine is led by C. David Gammel, Executive Director on the 2024 filing; 11 of 46 officers listed in 2024 are compensated.
Officers on the 2024 filing
C. David Gammel
Executive Director
New on the 2024 filing
37.5 hrs/week
$401K (2024)
Todd Pawlicki
President
New on the 2024 filing
1 hr/week
No compensation reported
Ehsan Samei
Chair of the Board
Board Member → President, 2023
President → Chair of the Board, 2024
On filings since 2022
1 hr/week
$700 (2024)
Farhana Khan
Director & Information Services
Associate Director & Inform → Director & Information Services, 2024
On filings since 2020
37.5 hrs/week
$137K (2020) → $133K (2024)
Justin Stewart
Director of Programs
On filings since 2022
37.5 hrs/week
$103K (2022) → $157K (2024)
Mariana Gallo
Director Meetings & Programs
Director Meetings & Program → Director Meetings & Programs, 2024
On filings since 2022
37.5 hrs/week
$165K (2022) → $180K (2024)
Michael Woodward
Deputy Executive Director
On filings since 2020
37.5 hrs/week
$214K (2020) → $304K (2024)
Robert McKoy
Associate Executive Director & Finance
Director of Finance → Associate Executive Director & Finance, 2024
On filings since 2020
37.5 hrs/week
$156K (2020) → $207K (2024)
Samuel G. Armato III
Treasurer
Board Member → Treasurer, 2022
On filings since 2020
1 hr/week
$4K (2022) → $0 (2024)
Zailu Gao
Senior Applications Developer
Senior Applications Development → Senior Applications Developer, 2024
On filings since 2020
37.5 hrs/week
$126K (2020) → $140K (2024)
Martha M. Matuszak
Board Member
On filings since 2022
1 hr/week
$160 (2022) → $0 (2024)
David Crowley
Senior Government Relations Manager
On filings since 2023
37.5 hrs/week
$112K (2023) → $175K (2024)
Jackie Ogburn
Senior Education Manager
On filings since 2023
37.5 hrs/week
$100K (2023) → $103K (2024)
Magdalena Bazalova-Carter
Board Member
On filings since 2023
1 hr/week
$4K (2023) → $0 (2024)
Sonja Dieterich
Board Member
New on the 2024 filing
1 hr/week
$3K (2024)
David J. Schlesinger
Board Member
On filings since 2022
1 hr/week
No compensation reported
Jay W. Burmeister
Board Member
On filings since 2022
1 hr/week
No compensation reported
Jeremy Donaghue
Board Member
On filings since 2022
5 hrs/week
No compensation reported
Kiernan T. McCullough
Board Member
On filings since 2022
1 hr/week
No compensation reported
Mary Ellen Jafari
Board Member
On filings since 2022
1 hr/week
No compensation reported
Rebecca M. Howell
Board Member
On filings since 2022
1 hr/week
No compensation reported
Ross I. Berbeco
Board Member
On filings since 2022
1 hr/week
No compensation reported
Theo Apostol
Board Member
On filings since 2022
1 hr/week
No compensation reported
Tyler S. Fisher
Board Member
On filings since 2022
5 hrs/week
No compensation reported
Amy P. Wexler
Board Member
On filings since 2023
1 hr/week
No compensation reported
Amy Shu-Jung Yu
Board Member
On filings since 2023
1 hr/week
No compensation reported
Cesar Della Biancia
Board Member
On filings since 2023
1 hr/week
No compensation reported
Charles S. Mayo
Board Member
On filings since 2023
1 hr/week
No compensation reported
David Pearson
Board Member
On filings since 2023
1 hr/week
No compensation reported
Elizabeth L. Bossart
Board Member
On filings since 2023
1 hr/week
No compensation reported
Katie W. Hulme
Board Member
On filings since 2023
1 hr/week
No compensation reported
Qing-Rong Jackie Wu
Board Member
On filings since 2023
1 hr/week
No compensation reported
Shannon E. O'Reilly
Board Member
On filings since 2023
1 hr/week
No compensation reported
Wesley S. Culberson
Board Member
On filings since 2023
1 hr/week
No compensation reported
Yin Zhang
Board Member
On filings since 2023
1 hr/week
No compensation reported
Anant Gopal
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Celeste Winters
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Dennis N. Stanley
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Emily A. Draeger
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Hania A. Al-Hallaq
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Ingrid S. Reiser
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Jacqueline E. Zoberi
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Jiajian Shen
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Jospeh P. Dugas
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Michael J. Huberts
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Stephen F. Kry
Board Member
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (57)
- Former: Angela R. Keyser (2020–2023) — Executive Director
- Former: Brett M. Miller (2021–2023) — Board Member
- Former: Christopher I. Tien (2021–2023) — Board Member
- Former: Erin Angel (2021–2023) — Board Member
- Former: Indrin I. Chetty (2021–2023) — Board Member
- Former: J. Daniel Bourland (2021–2023) — Chair of the Board
- Former: Jennifer Lynn Johnson (2021–2023) — Secretary
- Former: Kristi R. Hendrickson (2021–2023) — Board Member
- Former: Max Amurao (2021–2023) — Board Member
- Former: Mubin Shaikh (2021–2023) — Board Member
- Former: Robert A. Rodgers (2021–2023) — Board Member
- Former: Tyler A. Blackwell (2021–2023) — Board Member
- Former: Yanle Hu (2021–2023) — Board Member
- Former: Julianne M. Pollard-Larkin (2022–2023) — Board Member
- Former: Abby Besemer (2020–2022) — Board Member
- Former: Andrew Maidment (2020–2022) — Board Member
- Former: Ashley Cetnar (2020–2022) — Board Member
- Former: Ashley Tao (2020–2022) — Board Member
- Former: Emilie Soisson (2020–2022) — Board Member
- Former: James T. Dobbins III (2020–2022) — Chair of the Board
- Former: Jenghwa Chang (2020–2022) — Board Member
- Former: Ke Nie (2020–2022) — Board Member
- Former: Manuel Arreola (2020–2022) — Board Member
- Former: Michael Lamba (2020–2022) — Board Member
- Former: Michelle Wells (2020–2022) — Board Member
- Former: Richard Martin (2020–2022) — Government Relations Program
- Former: Sarah McKenney (2020–2022) — Board Member
- Former: Stanley Benedict (2020–2022) — Board Member
- Former: Tammy Larkin (2021–2022) — Senior Applications Development
- Former: Brian F. Hasson (2020–2021) — Board Member
- Former: Chang Ming Charlie Ma (2020–2021) — Board Member
- Former: Gregory C. Sharp (2020–2021) — Board Member
- Former: Indra J. Das (2020–2021) — Board Member
- Former: Lisa Rose Sullivan (2020–2021) — Director Meetings & Program
- Former: M. Saiful Huq (2020–2021) — Chair of the Board
- Former: Mahadevapppa Mahesh (2020–2021) — Treasurer
- Former: Michael D. Mills (2020–2021) — Board Member
- Former: Olivier Blasi Ms (2020–2021) — Board Member
- Former: Sebastien A. Gros (2020–2021) — Board Member
- Former: Valdir C. Colussi (2020–2021) — Board Member
- Former: X. Sharon Qi (2020–2021) — Board Member
- Former: Julianne M. Pollard (2021) — Board Member
- Former: Aaron K. Jones (2020) — Board Member
- Former: Chadd E. Smith (2020) — Board Member
- Former: Christopher J. Watchman (2020) — Board Member
- Former: Cynthia H. McCollough (2020) — Chair of the Board
- Former: Ellen D. Yorke (2020) — Board Member
- Former: Eric C. Ford (2020) — Board Member
- Former: Harish K. Malhotra (2020) — Board Member
- Former: Holly M. Lincoln (2020) — Board Member
- Former: Karen Macfarland (2020) — Program Senior Manager
- Former: Lauren C. Long (2020) — Board Member
- Former: Nicholas C. Koch (2020) — Board Member
- Former: Scott Dube (2020) — Board Member
- Former: Stephen M. Avery (2020) — Board Member
- Former: Susan L. Richardson (2020) — Secretary
- Former: Tammy Conquest (2020) — Senior Applications Development
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 $401K, to C David Gammel (Executive Director). 11 officers or directors reported compensation on that filing.
Frequently asked questions about American Association of Physicists in Medicine
How much does American Association of Physicists in Medicine give each year?
American Association of Physicists in Medicine gave $325K across 8 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $352K across 12 grants.
What is American Association of Physicists in Medicine's typical grant size?
American Association of Physicists in Medicine's median grant in 2024 was $35,000, and its average grant was $40,625, across 8 grants on its 2024 IRS Form 990.
Where does American Association of Physicists in Medicine give grants?
American Association of Physicists in Medicine's top state is Texas, with 38% of the grant dollars itemized on its 2024 IRS Form 990. The next largest states were Washington (18%) and Kentucky (14%).
Does American Association of Physicists in Medicine give general operating support?
Not in 2024: none of the 8 grants with a stated purpose on American Association of Physicists in Medicine's 2024 IRS Form 990 were described as general or operating support. Recurring purposes include "Scholarships & Awards" (8 grants).
Who are American Association of Physicists in Medicine's largest grantees?
American Association of Physicists in Medicine's largest 2024 grantees include UT MD Anderson Cancer Center ($90,000), University of Washington ($60,000) and University of Kentucky ($45,000), according to its 2024 IRS Form 990. Together they received 60% of its itemized 2024 grant dollars.
How large is American Association of Physicists in Medicine?
American Association of Physicists in Medicine reported $30.3M in total assets on its 2024 IRS Form 990. Its revenue that year was $12.0M.
What is American Association of Physicists in Medicine?
American Association of Physicists in Medicine is a public charity focused on Science & Technology, based in Alexandria, VA. It holds $30.3M in total assets as of 2024.
What is American Association of Physicists in Medicine's EIN?
American Association of Physicists in Medicine's EIN (Employer Identification Number) is 23-7057224. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching American Association of Physicists in Medicine by hand.
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