TSF Incorporated
TSF Incorporated is a public charity based in Wilmington, Delaware. Formed in 2010, it states that its mission is to facilitate research and laboratory work toward bringing a treatment for Sanfilippo Syndrome to clinical trials.
TSF Incorporated at a glance
In short: TSF Incorporated reported $320K in grants paid in 2025 (a total; its filing lists no individual grants). Source: 2025 IRS Form 990.
- Grants paid (2025)
- $320,177 — reported as a total on the IRS filing, without an itemized list
- +251.8% vs 2024
- Total assets
- $1,158,612
- -12.6% vs 2024
- Revenue (2025)
- $297,610
- +37.8% vs 2024
- Net investment income (2025)
- $43,883
- -37.6% vs 2024
- Expenses (2025)
- $464,387
- +55.8% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
How to apply to TSF Incorporated
- Contact
Mailing address: 3204 Romily Road, Wilmington, DE 19810
Phone: (518) 879-6571
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who TSF Incorporated funds
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $3K (2023) to $350K (2020). In 2025 it reported $320K in grants paid, as a total without an itemized list.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
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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 | $1,158,612 | $297,610 | $464,387 | $320,177 | Total only | $43,883 |
| 2024 | $1,325,389 | $215,924 | $298,020 | $91,005 | Total only | $70,304 |
| 2023 | $1,407,485 | $183,778 | $210,729 | $2,910 | Total only | $10,630 |
| 2022 | $1,434,405 | $141,992 | $277,448 | $33,152 | Total only | — |
| 2021 | $1,569,861 | $216,212 | $273,824 | $37,190 | Total only | — |
| 2020 | $1,627,473 | $26,966 | $151,009 | $350,000 | 2 | — |
| 2019 | $1,819,816 | $185,245 | $726,228 | $350,000 | 2 | $6,205 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The organization’s stated mission is “Research for treatment of Sanfilippo Syndrome” and to facilitate the laboratory work and research needed to bring a treatment to trials for Sanfilippo Syndrome.
A documented recipient is Baylor College of Medicine, which received $100,000 in 2020. Baylor describes its own mission as advancing human health through patient care, research, education, and community services.
Grantmaking
The available grant record identifies a $100,000 grant to Baylor College of Medicine in 2020. The 2023, 2024, and 2025 filings each report zero grants. Grant totals and typical grant size for those filing years are therefore not available from the reported grant counts.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Kathleen Buckley as President; Patty Taormino as Vice President; Carl Kapes as Secretary; and Danielle O’Connor as Treasurer. Board members listed are Arleta Feldman, Karina Klimentjeva, Iris Dahl Gierga, Rick Connor, Raquel Zaldua, and Ann Kameka.
TSF Incorporated is led by Kathleen Buckley, President on every filing since 2019; 3 of 10 officers listed in 2025 are compensated.
Officers on the 2025 filing
Kathleen Buckley
President
On filings since 2019
30 hrs/week
$44K (2019) → $44K (2025)
Carl Kapes
Secretary
On filings since 2019
5 hrs/week
$27K (2022) → $0 (2025)
Danielle O'Connor
Treasurer
On filings since 2019
30 hrs/week
$19K (2019) → $26K (2025)
Patty Taormino
Vice President
On filings since 2019
30 hrs/week
$26K (2019) → $26K (2025)
Ann Kameka
Board Member
On filings since 2019
No compensation reported
Arleta Feldman
Board Member
On filings since 2019
3 hrs/week
No compensation reported
Iris Dahl Gierga
Board Member
On filings since 2019
3 hrs/week
No compensation reported
Karina Klimentjeva
Board Member
On filings since 2019
5 hrs/week
No compensation reported
Raquel Zaldua
Board Member
On filings since 2019
No compensation reported
Rick Connor
Board Member
On filings since 2019
No compensation reported
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 $44K, to Kathleen Buckley (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about TSF Incorporated
How much does TSF Incorporated give each year?
TSF Incorporated reported $320K in grants paid in 2025 on its 2025 IRS Form 990, as a total without an itemized list of grants. In 2024 it reported $91K in grants paid.
How large is TSF Incorporated?
TSF Incorporated reported $1.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $298K.
What does TSF Incorporated fund?
The organization’s stated mission is “Research for treatment of Sanfilippo Syndrome” and to facilitate the laboratory work and research needed to bring a treatment to trials for Sanfilippo Syndrome. See mission & focus areas ↑
How do I apply for a grant from TSF Incorporated?
TSF Incorporated has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is TSF Incorporated's EIN?
TSF Incorporated's EIN (Employer Identification Number) is 46-4027239. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.
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 April 28, 2021)
- Added Form 990 for fiscal year 2019 (received by the IRS April 18, 2020)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 4, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 9, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS June 29, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 8, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 12, 2026)
- IRS filings on file for fiscal years 2020–2024
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