American Society of Stereotactic and Functional NE
The ASSFN is dedicated to the treatment of functional disorders of the nervous system through the use of stereotaxy and other forms of surgical technology. The Society accomplishes this mission through public and professional education, dissemination of novel research, outreach to patients, and promotion of excellence in clinical care.
American Society of Stereotactic and Functional NE at a glance
- Total assets
- $2,647,787
- +0.5% vs 2024
- Revenue (2025)
- $150,060
- -67.1% vs 2024
- Net investment income (2025)
- $126,435
- +4.0% vs 2024
- Expenses (2025)
- $135,853
- -18.0% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who American Society of Stereotactic and Functional NE funds
How this funder distributes its grants
Grant Size Distribution
3 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 3 (67%).
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $50K (2024) to $155K (2022). In 2024 it made 1 grant totaling $50K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Utmb Galveston, TX | Neurological Research | $50,000 |
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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 | $2,647,787 | $150,060 | $135,853 | — | — | $126,435 |
| 2024 | $2,633,580 | $456,305 | $165,763 | $50,000 | 1 | $121,586 |
| 2023 | $2,343,038 | $144,232 | $58,014 | — | — | $34,982 |
| 2022 | $2,256,820 | $309,423 | $206,843 | $155,000 | 2 | $62,552 |
| 2021 | $2,154,240 | $523,194 | $42,809 | — | — | $173,355 |
| 2020 | $1,673,855 | $138,530 | $49,194 | — | — | $78,690 |
About American Society of Stereotactic and Functional NE
Based on IRS filings
American Society of Stereotactic and Functional NE is a public charity focused on Education, based in Merrick, NY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.6M in total assets. Net investment income was $126K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
American Society of Stereotactic and Functional NE is led by Julie Pilitsis, President since 2024 (on filings since 2020); none of the 12 officers listed in 2025 report compensation.
Officers on the 2025 filing
Julie Pilitsis
President
Secretary & Treasurer → Vice President, 2022
Vice President → President, 2024
On filings since 2020
2 hrs/week
No compensation reported
Ashwin Vismanathan
Director
On filings since 2020
2 hrs/week
No compensation reported
Chenyuan Wu
Director
On filings since 2020
2 hrs/week
No compensation reported
Jennifer Sweet
Director
On filings since 2020
2 hrs/week
No compensation reported
Shabbar Danish
Director
On filings since 2022
2 hrs/week
No compensation reported
Jon Willie
Director
On filings since 2024
2 hrs/week
No compensation reported
Rushani Ali
Director
On filings since 2024
2 hrs/week
No compensation reported
Sara Bick
Director
On filings since 2024
2 hrs/week
No compensation reported
Wael Asaad
Director
On filings since 2024
2 hrs/week
No compensation reported
Andre Machado
Past President
Vice President → President, 2022
President → Past President, 2024
On filings since 2020
2 hrs/week
No compensation reported
Ellen Air
Vice President
Director → Secretary & Treasurer, 2022
Secretary & Treasurer → Vice President, 2024
On filings since 2020
2 hrs/week
No compensation reported
Clement Hamani
Sec- Treasurer
On filings since 2024
2 hrs/week
No compensation reported
Former officers (13)
- Former: Dario Englot (2020–2023) — Director
- Former: Guy McKhann (2020–2023) — Director
- Former: Jason Schwalb (2020–2023) — Director
- Former: Joseph Neimat (2020–2023) — Past President
- Former: Nader Pouratian (2020–2023) — Director
- Former: Sameer Sheth (2020–2023) — Director
- Former: John Rolston (2022–2023) — Director
- Former: Nathan Rowland (2022–2023) — Director
- Former: Sharona Ben-Haim (2022–2023) — Director
- Former: Alon Mogilner (2020–2021) — Director
- Former: Jorge Gonzalez-Martinez (2020–2021) — Director
- Former: Mark Richardson (2020–2021) — Director
- Former: Robert Gross (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.
Frequently asked questions about American Society of Stereotactic and Functional NE
How large is American Society of Stereotactic and Functional NE?
American Society of Stereotactic and Functional NE reported $2.6M in total assets on its 2025 IRS Form 990. Its revenue that year was $150K.
What is American Society of Stereotactic and Functional NE?
American Society of Stereotactic and Functional NE is a public charity focused on Education, based in Merrick, NY. It holds $2.6M in total assets as of 2025.
Where does American Society of Stereotactic and Functional NE operate?
American Society of Stereotactic and Functional NE has awarded grants in Illinois, Texas.
What is American Society of Stereotactic and Functional NE's EIN?
American Society of Stereotactic and Functional NE's EIN (Employer Identification Number) is 45-4065198. 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 2022 (received by the IRS May 8, 2023)
- Added Form 990 for fiscal year 2024 (received by the IRS August 8, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS July 19, 2026)
Explore Open Grants
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