The American Society of Breast Surgeons
The society was formed to encourage the study of breast surgery, to promote research and development of advanced surgical techniques, to improve standards of practice for breast surgery in the united states, and serve as a forum for the exchange of ideas.
The American Society of Breast Surgeons at a glance
- Total assets
- $14,457,798
- +18.3% vs 2024
- Revenue (2025)
- $9,310,809
- Net investment income (2025)
- $935,285
- Expenses (2025)
- $7,866,191
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026. Covers 18 months (fiscal year-end changed).
Who The American Society of Breast Surgeons funds
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 1 grant totaling $102K.
*2025: Covers 18 months (fiscal year-end changed).
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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* | $14,457,798 | $9,310,809 | $7,866,191 | — | — | $935,285 |
| 2024 | $12,223,595 | $6,350,171 | $5,358,944 | — | — | $237,157 |
| 2023 | $10,429,537 | $5,449,525 | $4,592,791 | — | — | $117,603 |
| 2022 | $8,586,887 | $6,074,092 | $4,483,386 | — | — | $735,664 |
| 2021 | $8,609,978 | $3,252,257 | $2,646,388 | — | — | $155,518 |
| 2020 | $7,233,865 | $2,336,453 | $3,041,219 | $102,000 | 1 | $166,830 |
*2025: Covers 18 months (fiscal year-end changed).
About The American Society of Breast Surgeons
Based on IRS filings
The American Society of Breast Surgeons is a public charity, based in Columbia, MD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $14.5M in total assets. Net investment income was $935K.
Leadership & Key People
Officers and directors from IRS filings
The American Society of Breast Surgeons is led by Michael P. Berry, President since 2025 (on filings since 2020); 17 of 18 officers listed in 2025 are compensated.
Officers on the 2025 filing
Michael P. Berry
President
Director → President, 2025
On filings since 2020
5 hrs/week
$2K (2020) → $24K (2025)
Cassandra Isidro
Executive Director
New on the 2025 filing
40 hrs/week
$75K (2025)
Julie A. Margenthaler
Chair
President → Past President, 2023
Past President → Chair, 2025
On filings since 2020
5 hrs/week
$5K (2020) → $9K (2025)
Marta Boyer
Director & Strategic Partnerships
Director & Strategic Partnerships → Director & Strategic Partnership, 2023
Director & Strategic Partnership → Director & Strategic Partnerships, 2024
On filings since 2020
40 hrs/week
$124K (2020) → $161K (2025)
Sharon Grutman
Director, Advocacy, Comms & Qual Init
Director, Advocacy, Comms & Quality → Director, Advocacy, Comms & Quality Init, 2024
Director, Advocacy, Comms & Quality Init → Director, Advocacy, Comms & Qual Init, 2025
On filings since 2020
40 hrs/week
$113K (2020) → $135K (2025)
Tekoah B. White
Director, Edu & Fellowship Training
Manager & Cme → Manager & Education, 2024
Manager & Education → Director, Edu & Fellowship Training, 2025
On filings since 2022
40 hrs/week
$104K (2022) → $126K (2025)
Regina Hampton
Director
On filings since 2024
5 hrs/week
$3K (2024) → $13K (2025)
Alyssa D. Throckmorton
Director
New on the 2025 filing
5 hrs/week
$6K (2025)
Carla Fisher
Director
New on the 2025 filing
5 hrs/week
$6K (2025)
David Brenin
Director
New on the 2025 filing
5 hrs/week
$6K (2025)
Jennifer Gass
Director
New on the 2025 filing
5 hrs/week
$8K (2025)
Lee Wilke
Director
New on the 2025 filing
5 hrs/week
$5K (2025)
Eric R. Manahan
President-Elect
Director → Secretary & Treasurer, 2023
Secretary & Treasurer → President-Elect, 2025
On filings since 2020
5 hrs/week
$6K (2020) → $18K (2025)
Judy C. Boughey
Past President
Director → Presient-Elect, 2024
Presient-Elect → Past President, 2025
On filings since 2020
5 hrs/week
$3K (2020) → $0 (2025)
Laura Randel
Associate Executive Director
Assc. Executive Director Publications & Research → Associate Executive Director, Pubs & Research, 2024
Associate Executive Director, Pubs & Research → Associate Executive Director, 2025
On filings since 2021
40 hrs/week
$102K (2021) → $160K (2025)
Erica Holland
Former Executive Director
Executive Director → Former Executive Director, 2025
On filings since 2022
40 hrs/week
$51K (2022) → $123K (2025)
Brigid Killelea
Secretary & Treasurer
New on the 2025 filing
5 hrs/week
$13K (2025)
Brooke Bixler
Program Manager
New on the 2025 filing
40 hrs/week
$128K (2025)
Former officers (15)
- Former: Jill R. Dietz (2020–2024) — Chair
- Former: Susan K. Boolbol (2020–2024) — President
- Former: Nathalie G. Johnson (2022–2024) — Past President
- Former: Terry Sarantou (2022–2024) — Director
- Former: Kevin S. Hughes (2023–2024) — Director
- Former: Ronda Henry-Tillman (2023–2024) — Director
- Former: Toan Nguyen (2023–2024) — Director
- Former: Christina Lucara (2024) — Manager, Meetings & Program Ops
- Former: David Bernin (2024) — Director
- Former: Jane E. Mendez (2020–2023) — Director
- Former: Paul L. Baron (2020–2023) — Director
- Former: Shawna C. Willey (2020–2023) — Chair
- Former: Jane Schuster (2020–2021) — Executive Director
- Former: Peter W. Blumencranz (2020–2021) — Director
- Former: Walton A. Taylor (2020–2021) — Past President
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 $161K, to Marta Boyer (DIR, Strategic Partnerships). 17 officers or directors reported compensation on that filing.
Frequently asked questions about The American Society of Breast Surgeons
How large is The American Society of Breast Surgeons?
The American Society of Breast Surgeons reported $14.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $9.3M.
Where does The American Society of Breast Surgeons operate?
The American Society of Breast Surgeons has awarded grants in Maryland.
What is The American Society of Breast Surgeons's EIN?
The American Society of Breast Surgeons's EIN (Employer Identification Number) is 54-1765370. 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
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS March 10, 2021)
- Updated Form 990 for fiscal year 2025 (received by the IRS August 19, 2026)
- IRS filings on file for fiscal years 2020–2025
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The American Society of Breast Surgeons down — hundreds of funders to go?