Stephen Siller Tunnel to Towers Foundation
The Stephen Siller Tunnel to Towers Foundation is a Form 990 public charity based in Staten Island, New York. It supports military members, first responders, and their families through housing, assistance for homeless veterans, educational programs, and efforts to remember September 11, 2001.
Stephen Siller Tunnel to Towers Foundation at a glance
In short: Stephen Siller Tunnel to Towers Foundation gave $16.4M across 44 grants in 2024 (avg $373K), top state California. 48% of 2024 grantees were new. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $16,432,989
- +38.6% vs 2023
- Grants made (2024)
- 44
- +33.3% vs 2023
- Average grant
- $373,477
- +3.9% vs 2023
- Median grant
- $25,250
- Total assets
- $652,832,661
- +51.3% vs 2023
- New grantees (estimate)
- 48% first-time grantees (20 of 42, 2024)
- Primary geography
- California (40% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Stephen Siller Tunnel to Towers Foundation
- Contact
Mailing address: 2361 Hylan Blvd, Staten Island, NY 10306
Phone: (718) 987-1931
Website: https://t2t.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
5 open opportunities from Stephen Siller Tunnel to Towers Foundation
Fallen First Responder Home Program
Stephen Siller Tunnel to Towers Foundation
Amount
Varies
Deadline
Deadline not published
Gold Star Family Home Program
Stephen Siller Tunnel to Towers Foundation
Amount
Varies
Deadline
Deadline not published
Homeless Veteran Program
Stephen Siller Tunnel to Towers Foundation
Amount
Varies
Deadline
Deadline not published
Who Stephen Siller Tunnel to Towers Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Semper Fi & America's Fund ($6.0M). Together the top 10 received $15.4M.
Grant Size Distribution
138 grants across all recorded years
The most common grant size was under $50K: 77 grants of 138 (56%).
Geographic Focus
Where this funder awards grants
The foundation describes its Homeless Veteran and Smart Home programs as nationwide and its scholarship program as serving families in the United States. In 2024, the largest reported shares of grant dollars went to recipients in California (40%), Ohio (25%), Virginia (15%), New York (7%), and Pennsylvania (6%).
Grant Distribution by State
Share of 2024 grant dollars across all 44 itemized grants.
States
Cities
Is Stephen Siller Tunnel to Towers Foundation open to new grantees?
48%
first-time grantees, 2024
In 2024, 20 of 42 grantees (48%) were first-time recipients. First grants averaged $234K; repeat grants $534K. How we count
Medians: $25K first-time, $27K repeat.
Estimate from itemized grant lists in IRS Form 990 filings (2019–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2024, annual grant giving ranged from $613K (2020) to $85.6M (2022). In 2024 it made 44 grants totaling $16.4M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Semper Fi & America's Fund Oceanside, CA | Support | $6,000,000 |
| Veterans Matter Toledo, OH | Support | $3,100,000 |
| Children of Fallen Patriots Foundat Reston, VA | Support | $2,500,000 |
| Travis Manion Foundation Doylestown, PA | Support | $1,000,000 |
| Veterans Matter Toledo, OH | Support | $1,000,000 |
| Kid Save International Inc Culver City, CA | Support | $500,000 |
| A Soldiers Journey Home Chattanooga, TN | Support | $425,000 |
| Richmond University Medical Center Staten Island, NY | Support | $250,000 |
| Medal of Honor Foundation Mt Pleasant, NC | Support | $250,000 |
| Guardian Revival Inc Stormville, NY | Support | $200,000 |
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Financial History
Multi-year comparison from IRS filings
The foundation’s website states that its program service ratio is over 91%.
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $652,832,661 | $559,392,887 | $381,079,452 | $16,432,989 | 44 | $8,489,228 |
| 2023 | $431,536,218 | $373,003,492 | $272,204,056 | $11,858,368 | 33 | $5,135,730 |
| 2022 | $270,290,174 | $305,316,257 | $286,769,672 | $85,574,013 | 27 | $653,991 |
| 2021 | $203,334,406 | $264,017,854 | $147,553,557 | $1,701,372 | 21 | $239,368 |
| 2020 | $79,339,700 | $113,682,181 | $57,319,659 | $613,373 | 13 | $71,735 |
| 2019 | $22,067,777 | $45,956,094 | $34,643,508 | $697,786 | 15 | $50,587 |
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation’s stated mission is to honor FDNY Firefighter Stephen Siller and others who died saving lives on September 11, 2001, and to honor military members and first responders who make the supreme sacrifice of life and limb.
Its stated program areas include the Smart Home, Fallen First Responder Home, Gold Star Home, and Homeless Veterans programs. It also operates memorial runs and climbs, the Tunnel to Towers 9/11 Institute, Wings of a Hero, and Legacy Awards. The foundation says the 9/11 Institute provides K–12 curriculum and a mobile exhibit. Its website also says children of home recipients are offered full scholarships for undergraduate degrees and accredited trade school programs.
Examples among the organizations receiving 2024 grants include Semper Fi & America’s Fund, whose stated mission is to provide case management and ongoing support to wounded, ill, and injured service members, veterans, and military families. 1Matters.org describes its mission as creating and funding programs that help people achieve financial and domestic autonomy, including Veterans Matter. Children of Fallen Patriots Foundation says it provides educational and career support to military children who lost a parent in the line of duty. Travis Manion Foundation says it empowers veterans and families of fallen heroes to develop character in future generations.
Grantmaking
In filing year 2024, the foundation reported 44 grants totaling $16,432,989. Grant amounts ranged from $6,000 to $6,000,000, with a median of $25,250. Its largest reported grants included $6,000,000 to Semper Fi & America’s Fund, $3,100,000 and $1,000,000 to Veterans Matter, $2,500,000 to Children of Fallen Patriots Foundation, and $1,000,000 to Travis Manion Foundation. Other notable grants included $500,000 to Kidsave International, $250,000 to Richmond University Medical Center, and $200,000 to Guardian Revival.
The foundation’s website lists the Homeless Veteran, Mae and George Siller Scholarship, and Smart Home programs as currently open. These program descriptions concern housing, services, or educational support for participants; the available information does not provide application deadlines or a general grant application process. For the Fallen First Responder Home Program, the foundation says applicants who meet its fundamental eligibility requirements may begin a formal, detailed inquiry process. Requirements include that the responder died after September 11, 2001, and that the family meet specified circumstances involving children and the surviving parent.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Frank Siller as President; Mary Scullin as Treasurer; Matthew Mahoney and Lawrence Olson as Executive Vice Presidents; Jeanna Dellragione as COO; John Ponte as Senior Vice President; Gavin Naples and Justing Kiernan as Vice Presidents; Commissioner Salvatore Cassano as Director; and Janis Hannan as Vice Chair.
Stephen Siller Tunnel to Towers Foundation is led by Frank Siller, President Ch since 2022 (on filings since 2019); 8 of 13 officers listed in 2024 are compensated.
Officers on the 2024 filing
Frank Siller
President Ch
Chairman & C → President Ch, 2022
On filings since 2019
50 hrs/week
$100K (2024)
Commissioner Salvatore Cassano
Director
On filings since 2019
5 hrs/week
No compensation reported
John V. Labarbera
Director
On filings since 2019
5 hrs/week
No compensation reported
Mary Scullin
Treasurer An
Treasurer → Treasurer An, 2022
On filings since 2019
30 hrs/week
$24K (2024)
Gavin Naples
Vice President Homeless
New on the 2024 filing
50 hrs/week
$229K (2024)
Jeanna Dellragione
COO
New on the 2024 filing
50 hrs/week
$350K (2024)
John Ponte
Senior Vice President & Home
New on the 2024 filing
50 hrs/week
$223K (2024)
Justing Kiernan
Vice President Internal
New on the 2024 filing
50 hrs/week
$213K (2024)
Lawrence Olson
Executive Vice President Mark
New on the 2024 filing
50 hrs/week
$260K (2024)
Matthew Mahoney
Executive Vice President Development
New on the 2024 filing
50 hrs/week
$350K (2024)
George Siller
Vice Chair
On filings since 2019
5 hrs/week
No compensation reported
Janis Hannan
Vice Chair
On filings since 2019
5 hrs/week
No compensation reported
Regina Vogt
Secretary
On filings since 2019
5 hrs/week
No compensation reported
Former officers (2)
- Former: Sarah Siller (2019–2020) — President
- Former: Russell Siller (2019) — Vice Chair
Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $350K, to Matthew Mahoney (Exec VP Deve). 8 officers or directors reported compensation on that filing.
Frequently asked questions about Stephen Siller Tunnel to Towers Foundation
How much does Stephen Siller Tunnel to Towers Foundation give each year?
Stephen Siller Tunnel to Towers Foundation gave $16.4M across 44 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $11.9M across 33 grants.
What is Stephen Siller Tunnel to Towers Foundation's typical grant size?
Stephen Siller Tunnel to Towers Foundation's median grant in 2024 was $25,250, and its average grant was $373,477, across 44 grants on its 2024 IRS Form 990. Organizations receiving their first grant from Stephen Siller Tunnel to Towers Foundation that year got $234K on average.
Where does Stephen Siller Tunnel to Towers Foundation give grants?
Stephen Siller Tunnel to Towers Foundation's top state is California, with 40% of the grant dollars itemized on its 2024 IRS Form 990. The next largest states were Ohio (25%) and Virginia (15%). The most frequent recipient cities were Staten Island, NY (10 grants), New York, NY (5 grants), Toledo, OH (3 grants) and Brooklyn, NY (2 grants).
Does Stephen Siller Tunnel to Towers Foundation give general operating support?
Not in 2024: none of the 44 grants with a stated purpose on Stephen Siller Tunnel to Towers Foundation's 2024 IRS Form 990 were described as general or operating support. Recurring purposes include "Support" (44 grants).
Who are Stephen Siller Tunnel to Towers Foundation's largest grantees?
Stephen Siller Tunnel to Towers Foundation's largest 2024 grantees include Semper Fi & America's Fund ($6,000,000), Veterans Matter ($4,100,000 across 2 grants) and Children of Fallen Patriots Foundat ($2,500,000), according to its 2024 IRS Form 990. Together they received 77% of its itemized 2024 grant dollars.
How large is Stephen Siller Tunnel to Towers Foundation?
Stephen Siller Tunnel to Towers Foundation reported $652.8M in total assets on its 2024 IRS Form 990. Its revenue that year was $559.4M.
What does Stephen Siller Tunnel to Towers Foundation fund?
The foundation’s stated mission is to honor FDNY Firefighter Stephen Siller and others who died saving lives on September 11, 2001, and to honor military members and first responders who make the supreme sacrifice of life and limb. See mission & focus areas ↑
How do I apply for a grant from Stephen Siller Tunnel to Towers Foundation?
Stephen Siller Tunnel to Towers Foundation has no public application process in the sources Grantable reviewed. Check t2t.org for current guidelines, or contact the foundation directly before submitting a request.
What is Stephen Siller Tunnel to Towers Foundation's EIN?
Stephen Siller Tunnel to Towers Foundation's EIN (Employer Identification Number) is 02-0554654. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated October 2026. Sourced from IRS Form 990 filings. Research dossier generated October 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS August 31, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS August 12, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS October 3, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 14, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 13, 2025)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Stephen Siller Tunnel to Towers Foundation funds
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Cite this profile
Grantable. (2026). Stephen Siller Tunnel to Towers Foundation funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/stephen-siller-tunnel-to-towers-foundation-morg_947c5f8a1fe94c4aa15dd5586c978764
BibTeX
@misc{grantable_020554654_2026,
author = {{Grantable}},
title = {{Stephen Siller Tunnel to Towers Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/stephen-siller-tunnel-to-towers-foundation-morg_947c5f8a1fe94c4aa15dd5586c978764},
note = {Accessed 2026-10-23. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Stephen Siller Tunnel to Towers Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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