Tiegerman School
At tiegerman, our mission is to identify children with language and autism spectrum disorders early to provide educational programs which will prepare them for a world filled with words, sentences, stories and messages. Language is a symbol system; it provides the means to reach out to the world. It is the most important skill that a child must learn early in life. Language provides the foundation for socializing, reading, questioning, writing and thinking. We use the tiegerman language method (TLM) which is designed to stimulate and challenge children's language development. We believe that "language is everything and everywhere," so our children need to be immersed in language activities to learn. We teach children to talk in order to reach the person inside.tiegerman is also committed to increasing public awareness about the unique needs of these children, since they are often misdiagnosed and misplaced in educational programs.
Tiegerman School at a glance
- Total assets
- $37,179,436
- -2.3% vs 2024
- Revenue (2025)
- $51,013,441
- +2.1% vs 2024
- Net investment income (2025)
- $170,072
- +96.5% vs 2024
- Expenses (2025)
- $50,989,760
- +1.1% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Tiegerman School funds
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2019 it made 1 grant totaling $6.6M.
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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 | $37,179,436 | $51,013,441 | $50,989,760 | — | — | $170,072 |
| 2024 | $38,040,072 | $49,954,588 | $50,444,325 | — | — | $86,535 |
| 2023 | $32,652,608 | $42,550,436 | $42,730,000 | — | — | $33,099 |
| 2022 | $32,645,477 | $41,749,763 | $38,957,128 | — | — | $6,512 |
| 2021 | $36,938,898 | $36,850,171 | $39,109,419 | — | — | $49,848 |
| 2020 | $25,903,989 | $36,049,021 | $36,036,093 | — | — | $30,060 |
| 2019 | $20,290,530 | $38,877,258 | $38,713,884 | $6,628,935 | 1 | $60,398 |
About Tiegerman School
Based on IRS filings
Tiegerman School is a public charity, based in Glen Cove, NY. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $37.2M in total assets. Net investment income was $170K.
Leadership & Key People
Officers and directors from IRS filings
Tiegerman School is led by Ellenmorris Tiegerman, CEO since 2022 (on filings since 2019); 11 of 23 officers listed in 2025 are compensated.
Officers on the 2025 filing
Ellenmorris Tiegerman
CEO
Founder & Executive Director → CEO, 2022
On filings since 2019
35 hrs/week
$207K (2019) → $295K (2025)
Jay Parker
Board Chair
Board Member → Board Chair, 2024
On filings since 2020
1 hr/week
No compensation reported
Lauren Leonardi
Program Director
Principal → Program Director, 2023
On filings since 2019
45 hrs/week
$129K (2019) → $204K (2025)
Kurt Stein
Facilities Director
New on the 2025 filing
35 hrs/week
$121K (2025)
Christine Radziewicz
C.c.o
COO → Chief Operating Officer, 2020
Chief Operating Officer → C.c.o, 2023
On filings since 2019
35 hrs/week
$178K (2019) → $262K (2025)
Jeremy Tiegerman
COO
Director → COO, 2023
On filings since 2019
40 hrs/week
$175K (2019) → $281K (2025)
Karen Katzman
Principal
On filings since 2019
40 hrs/week
$163K (2019) → $180K (2025)
Toya Davis
Board Member
Board Member & Parent Liaison → Director & Board Member, 2020
Director & Board Member → Board Member, 2022
On filings since 2019
40 hrs/week
$79K (2019) → $104K (2025)
Jeffrey Scott
Chief Financial Officer
Finance Director → Chief Financial Officer, 2023
On filings since 2021
35 hrs/week
$86K (2021) → $149K (2025)
Michelle Neitz
Coordinator Supervisor
Coordinator → Coordinator Supervisor, 2023
On filings since 2021
40 hrs/week
$127K (2021) → $142K (2025)
Kristin Lyons
Principal
On filings since 2023
40 hrs/week
$126K (2023) → $142K (2025)
John Wagner
Principal
New on the 2025 filing
40 hrs/week
$142K (2025)
David Farbstein
Board Member
On filings since 2019
1 hr/week
No compensation reported
Eli Szus
Board Member
On filings since 2019
1 hr/week
No compensation reported
John Scalfani
Board Member
On filings since 2019
1 hr/week
No compensation reported
Joseph Farber Esq.
Board Member & General Counsel
Board Member → Board Member & General Counsel, 2025
On filings since 2019
1 hr/week
No compensation reported
Paul Rosen
Vice Chairman & Secretary
Board Member → Vice Chairman & Secretary, 2024
On filings since 2019
1 hr/week
No compensation reported
Teri Fritz
Board Member
On filings since 2019
1 hr/week
No compensation reported
Joseph Ficalora
Board Member
On filings since 2022
1 hr/week
No compensation reported
Denise Tembelis
Board Member
On filings since 2023
1 hr/week
No compensation reported
Douglas Farber
Board Member
On filings since 2023
1 hr/week
No compensation reported
Jimmy Araujo
Board Member
On filings since 2023
1 hr/week
No compensation reported
Todd Jackson
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (16)
- Former: Penny Mendelsohn (2023–2024) — Board Member
- Former: Irene Scalfani (2019–2023) — Board Member
- Former: Scott Horowitz (2019–2023) — Board Member
- Former: Salvatore Dimartino (2021–2023) — Board Member
- Former: Georgiana Reese-Benatti (2019–2022) — Board Member
- Former: Elana Ehrlich (2021–2022) — Coordinator
- Former: Justin Nash (2021–2022) — Board Member
- Former: Mary Ann Rubino Milligan (2022) — Program Director
- Former: Susanne Lonigro (2019–2021) — Former Finance Director
- Former: Ellenmorris Farber (2020–2021) — CEO
- Former: Erica Citrin (2019–2020) — Supervisor
- Former: Helena La Forgia (2019–2020) — Business Manager
- Former: James Wicks (2019–2020) — Board Member
- Former: Vafa Vahid (2019–2020) — Board Member
- Former: John Hardiman (2019) — Board Member
- Former: Robert Chory (2019) — Board Member
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 $295K, to Ellenmorris Tiegerman (CEO). 11 officers or directors reported compensation on that filing.
Frequently asked questions about Tiegerman School
How large is Tiegerman School?
Tiegerman School reported $37.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $51.0M.
Where does Tiegerman School operate?
Tiegerman School has awarded grants in New York.
What is Tiegerman School's EIN?
Tiegerman School's EIN (Employer Identification Number) is 11-2739039. 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS July 2, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS April 28, 2026)
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Tiegerman School down — hundreds of funders to go?