American Association of Neurosurgeons Inc
The AANS promotes the highest quality of patient care and advances the specialty of neurological surgery.
American Association of Neurosurgeons Inc at a glance
In short: American Association of Neurosurgeons Inc gave $93K across 1 grant in 2025 (avg $93K), mostly in Illinois. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $92,500
- +9150.0% vs 2024
- Grants made (2025)
- 1
- Average grant
- $92,500
- Median grant
- $92,500
- Total assets
- $42,850,932
- +34.3% vs 2024
- Primary geography
- Illinois (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who American Association of Neurosurgeons Inc funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Journal of Neurological Surgeons ($93K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 4 grants of 5 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $1K (2024) to $93K (2025). In 2025 it made 1 grant totaling $93K.
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 |
|---|---|---|
| Journal of Neurological Surgeons Schaumburg, IL | Fellowship Grant | $92,500 |
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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 | $42,850,932 | $13,538,149 | $18,788,785 | $92,500 | 1 | $322,894 |
| 2024 | $31,913,486 | $15,303,546 | $18,938,539 | $1,000 | Total only | $2,089,296 |
| 2023 | $62,557,911 | $13,619,006 | $17,075,798 | $15,000 | 2 | $562,033 |
| 2022 | $35,665,439 | $11,773,869 | $9,907,238 | $12,500 | Total only | $2,147,154 |
| 2021 | $41,529,336 | $10,342,533 | $11,412,409 | $15,599 | 2 | $1,453,146 |
| 2020 | $32,721,045 | $9,442,264 | $13,681,726 | $12,250 | 1 | $1,403,050 |
| 2019 | $35,741,148 | $16,696,213 | $17,980,981 | $8,250 | 1 | $1,471,940 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About American Association of Neurosurgeons Inc
Based on IRS filings
American Association of Neurosurgeons Inc is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Rolling Meadows, IL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $42.9M in total assets. In 2025, it awarded 1 grant totaling $93K. Net investment income was $323K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
American Association of Neurosurgeons Inc is led by Katherine O Orrico, Chief Executive Officer since 2024 (on filings since 2019); 12 of 36 officers listed in 2025 are compensated.
Officers on the 2025 filing
Katherine O Orrico
Chief Executive Officer
Washington Office Director → Chief Executive Officer, 2024
On filings since 2019
15 hrs/week
$256K (2019) → $511K (2025)
Anthony L Asher
Aans President
Aans Treasurer → Aans President Elect, 2022
Aans President Elect → Aans President, 2023
On filings since 2019
5 hrs/week
No compensation reported
E Sander Connolly Jr.
Aans President
Aans Vice President → Aans Incoming President-Elect, 2023
Aans Incoming President-Elect → Aans President, 2025
On filings since 2022
5 hrs/week
No compensation reported
Alison E Dye
Senior Director of Marketing Comms & Corp Relations
Senior Manager - Communications Dc → Senior Director of Marketing Comms & Corp Relations, 2025
On filings since 2019
40 hrs/week
$124K (2019) → $150K (2025)
Ann Marie Bray
Senior & Director of Event Strategy
Senior & Direct Event Strategy → Senior & Director of Event Strategy, 2024
On filings since 2023
40 hrs/week
$130K (2023) → $190K (2025)
Gillian Shasby
Director of Publications
New on the 2025 filing
40 hrs/week
$202K (2025)
Joseph S Cheng
Director-At-Large
On filings since 2021
5 hrs/week
No compensation reported
Marjorie C Wang
Director-At-Large
On filings since 2021
5 hrs/week
No compensation reported
Mark R Iantosca
Regional Director
Ne Regional Director → Regional Director, 2023
On filings since 2021
5 hrs/week
No compensation reported
Sharon Woods Webb
Regional Director
Se Regional Director → Regional Director, 2023
On filings since 2021
5 hrs/week
No compensation reported
Richard W Byrne
Director-At-Large
On filings since 2022
5 hrs/week
No compensation reported
Stacey C Wolfe
Director-At-Large
On filings since 2022
5 hrs/week
No compensation reported
Domagoj Coric
Director-At-Large
On filings since 2023
5 hrs/week
No compensation reported
Jason P Sheehan
Director-At-Large
On filings since 2023
5 hrs/week
No compensation reported
Mark E Linskey
Regional Director
On filings since 2023
5 hrs/week
No compensation reported
Shaun Thomas O'Leary
Regional Director
On filings since 2023
5 hrs/week
No compensation reported
Gregory JA Murad
Regional Director
New on the 2025 filing
5 hrs/week
No compensation reported
John K Ratliff
Director-At-Large
New on the 2025 filing
5 hrs/week
No compensation reported
Kevin M Cockroft
Regional Director
New on the 2025 filing
5 hrs/week
No compensation reported
Linda Liau
Director-At-Large
New on the 2025 filing
5 hrs/week
No compensation reported
Michael Y Wang
Director-At-Large
New on the 2025 filing
5 hrs/week
No compensation reported
Russell R Lonser
Director-At-Large
New on the 2025 filing
5 hrs/week
No compensation reported
Cathy J Hill
Senior Manager & Regulatory Affair
Manager & Regulatory Affairs → Manager & Regulatory Affair, 2022
Manager & Regulatory Affair → Senior Manager & Regulatory Affair, 2024
On filings since 2019
40 hrs/week
$142K (2019) → $204K (2025)
Kathleen T Craig
Former CEO
Chief Executive Officer → CEO, 2024
CEO → Former CEO, 2025
On filings since 2019
15 hrs/week
$359K (2019) → $475K (2025)
Carol Jones
Chief Financial Officer
On filings since 2023
15 hrs/week
$191K (2024) → $269K (2025)
William T John
Accounting Manager
On filings since 2023
40 hrs/week
$124K (2023) → $163K (2025)
Kimberly Jacques
Chief Strategy Officer
On filings since 2024
40 hrs/week
$156K (2024) → $80K (2025)
Corey Parker
Chief Operating Officer
New on the 2025 filing
15 hrs/week
$232K (2025)
Jason Leppin
Chief Development Officer - Nref
New on the 2025 filing
$203K (2025)
Kathy Fry
Finance Manager
New on the 2025 filing
40 hrs/week
$176K (2025)
Ann R Stroink
Aans Past President
Aans President Elect → Aans President, 2022
Aans President → Aans Past President, 2023
On filings since 2019
5 hrs/week
No compensation reported
E Antonio Chiocca
Aans President-Elect
Director-At-Large → Aans Secretary, 2021
Aans Secretary → Aans President-Elect, 2025
On filings since 2019
5 hrs/week
No compensation reported
Jacques J Morcos
Aans President-Elect
Aans Vice President → Director-At-Large, 2022
Director-At-Large → Aans President-Elect, 2023
On filings since 2019
5 hrs/week
No compensation reported
Sepideh Amin-Hanjani
Aans Treasurer
Director-At-Large → Aans Treasurer, 2022
On filings since 2019
5 hrs/week
No compensation reported
Aviva Abosch
Aans Secretary
Director-At-Large → Aans Secretary, 2025
On filings since 2020
5 hrs/week
No compensation reported
John Joseph Knightly
Aans Vice President
On filings since 2023
5 hrs/week
No compensation reported
Former officers (31)
- Former: Adrienne R Mortimer (2019–2024) — Senior Manager & Legislative Affairs
- Former: Stefan P Rykowski (2022–2024) — Vice President, Registries & Data Services
- Former: Spencer Bone (2023–2024) — Director of Marketing
- Former: Regis W Haid Jr. (2019–2023) — Aans Past President
- Former: Ann M Parr (2020–2023) — Regional Director
- Former: Kenneth S Blumenfeld (2020–2023) — Regional Director
- Former: Michael Schulder (2020–2023) — Director-At-Large
- Former: Kathryn A Dattomo (2021–2023) — Chief Development Officer
- Former: John Schroeder (2023) — Director of Digital Strategy
- Former: Anthony P Macalindong (2019–2022) — Director & Info Svcs
- Former: Dennis J Rizzo (2019–2022) — CFO
- Former: Elizabeth A Sartore (2019–2022) — Chief Strategy Officer
- Former: John A Wilson (2019–2022) — Aans Past President
- Former: P David Adelson (2019–2022) — Director-At-Large
- Former: Alice Kelsey VP of (2022) — Mktg, Committee & Mbrshp
- Former: Tomasz Olszewski (2022) — Ams Manager
- Former: Aaron A Cohen-Gadol (2019–2021) — Director-At-Large
- Former: Andrew E Wakefield (2019–2021) — Ne Regional Director
- Former: Anil Nanda (2019–2021) — Aans Secretary
- Former: Christopher I Shaffrey (2019–2021) — Aans Past President
- Former: Curtis J Rozzelle (2019–2021) — Se Regional Director
- Former: Nicholas M Barbaro (2019–2021) — Aans Vice President
- Former: Alice I Kelsey (2020–2021) — Aed - Mkt & Committee
- Former: Gregory R Trost (2019–2020) — Nw Regional Director
- Former: Marc A Vanefsky (2019–2020) — Sw Regional Director
- Former: Patricia L Anderson (2019–2020) — Meetings Director
- Former: Robert F Heary (2019–2020) — Aans Vice President
- Former: Shelly D Timmons (2019–2020) — Aans Past President
- Former: Alex B Valadka (2019) — Past President
- Former: Peter B Kuhn (2019) — CFO
- Former: Richard G Ellenbogen (2019) — Director-At-Large
Data from IRS Form 990 filings, 2019–2025. "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 $511K, to Katherine O Orrico (Chief Executive Officer). 12 officers or directors reported compensation on that filing.
Frequently asked questions about American Association of Neurosurgeons Inc
How much does American Association of Neurosurgeons Inc give each year?
American Association of Neurosurgeons Inc gave $93K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it reported $1K in grants paid.
How large is American Association of Neurosurgeons Inc?
American Association of Neurosurgeons Inc reported $42.9M in total assets on its 2025 IRS Form 990. Its revenue that year was $13.5M.
What is American Association of Neurosurgeons Inc?
American Association of Neurosurgeons Inc is a public charity focused on Diseases, Disorders & Medical Disciplines, based in Rolling Meadows, IL. It holds $42.9M in total assets as of 2025.
Where does American Association of Neurosurgeons Inc operate?
American Association of Neurosurgeons Inc has awarded grants in Florida, Illinois, North Carolina, New York.
What is American Association of Neurosurgeons Inc's EIN?
American Association of Neurosurgeons Inc's EIN (Employer Identification Number) is 36-2958324. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS May 17, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 15, 2024)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
- Added Form 990 for fiscal year 2019 (received by the IRS June 29, 2020)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work American Association of Neurosurgeons Inc funds
Diseases, Disorders & Medical Disciplines Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in American Association of Neurosurgeons Inc's focus areas in our free grants database
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