The organization's mission is to foster scientific discovery and innovative research seeking to better the lives of patients suffering from Neurological and Surgical disorders.
Key facts about American Academy of Neurological Surgery
- EIN
- 41-1793954
- Latest 990 filing
- Form 990, 2025
- Total assets
- $2,183,721
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$2.2M
+21.5% YoY
Revenue
$926K
-8.1% YoY
Net Investment Income
$35K
-0.3% YoY
Expenses
$693K
-10.6% YoY
About American Academy of Neurological Surgery
Based on IRS filings
American Academy of Neurological Surgery is a public charity focused on Education, based in Rochester, MN. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.2M in total assets. Net investment income was $35K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
In 2021 it made 1 grant totaling $80K.
Grant Insights
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was in the $50–100K range: 1 grant of 1 (100%).
Giving History
Grant recipients and amounts by year
No grants recorded for 2025.
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $2,183,721 | $1,797,625 | $1,455,240 |
| Revenue | $925,590 | $1,007,048 | $768,428 |
| Expenses | $693,213 | $775,496 | $895,539 |
| Net Investment Income | $34,554 | $34,666 | $32,784 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS August 16, 2022)
- Added Form 990 for fiscal year 2025 (received by the IRS May 28, 2026)
Leadership & Key People
Officers and directors from IRS filings
American Academy of Neurological Surgery is led by Russell Lonser MD, President since 2025 (on filings since 2022); none of the 6 officers listed in 2025 report compensation.
Officers on the 2025 filing
Russell Lonser MD
President
Treasurer → President, 2025
On filings since 2022
2 hrs/week
No compensation reported
Nelson Oyesiku MD PhD
President
President-Elect → President, 2025
On filings since 2024
2 hrs/week
No compensation reported
Aviva Abosch MD PhD
Trustee
Member at Large → Trustee, 2025
On filings since 2023
2 hrs/week
No compensation reported
Sepi Amin-Hanjani MD
Secretary
Member at Large → Secretary, 2023
On filings since 2022
2 hrs/week
No compensation reported
Allan D Levi MD
Vice President
New on the 2025 filing
2 hrs/week
No compensation reported
Linda Liau MD PhD MBA
Treasurer
New on the 2025 filing
2 hrs/week
No compensation reported
Former officers (15)
- Former: E. Sander Connolly Jr. MD (2020–2024) — President
- Former: Shenandoah Robinson MD (2020–2024) — President
- Former: Michael Schulder MD (2021–2024) — Historian
- Former: Fred G. Barker II (2022–2024) — Past President
- Former: Anil Nanda MD (2023–2024) — Vice President
- Former: Murat Gunel (2024) — Vice President
- Former: Douglas Kondziolka MD (2020–2022) — President
- Former: Howard Riina MD (2020–2022) — Member at Large
- Former: James M. Markert Jr. MD (2020–2022) — Past President
- Former: M. Sean Grady MD (2020–2022) — Past President
- Former: Daniel Yoshor MD (2021–2022) — Vice President
- Former: Bob Carter MD PhD (2022) — Vice President
- Former: Frederick Barker II (2020–2021) — Historian
- Former: Michael McDermott MD (2020–2021) — Vice President
- Former: Matthew Howard (2020) — Vice 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.
Frequently asked questions about American Academy of Neurological Surgery
How large is American Academy of Neurological Surgery?
American Academy of Neurological Surgery reported $2.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $926K.
What is American Academy of Neurological Surgery?
American Academy of Neurological Surgery is a public charity focused on Education, based in Rochester, MN. It holds $2.2M in total assets as of 2025.
Where does American Academy of Neurological Surgery operate?
American Academy of Neurological Surgery has awarded grants in Illinois.
What is American Academy of Neurological Surgery's EIN?
American Academy of Neurological Surgery's EIN (Employer Identification Number) is 41-1793954. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
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