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Stephen Siller Tunnel to Towers Foundation

Public charity · Grantmaker Staten Island, NY EIN: 02-0554654 Website

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.

Key facts about Stephen Siller Tunnel to Towers Foundation

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.

EIN
02-0554654
Latest 990 filing
Form 990, 2024
Annual giving (2024)
$16,432,989
Grants made (2024)
44
Average grant
$373,477
Median grant
$25,250
New grantees (estimate)
48% first-time grantees (20 of 42, 2024)
Total assets
$652,832,661
Primary geography
California (40% of itemized 2024 grant dollars)

Data from IRS Form 990, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

Financial Overview

From 2024 IRS Form 990 · View filing

Total Assets

$652.8M

+51.3% YoY

Annual Giving

$16.4M

+38.6% YoY

Grant Count

44

+33.3% YoY

Avg Grant Size

$373K

+3.9% YoY

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.

  • 40% of 2024 grantees were also funded in 2023. Method
  • Giving grew 866% from 2021 to 2024. Method

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.

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.

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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

21states

Share of 2024 grant dollars across all 44 itemized grants.

Cities

Staten IslandNew YorkBrooklynLos AngelesBronxCulver CityToledoChattanoogaPotsdamBloomfield HillsWashingtonAsbury ParkAtlantaLong BeachLouisvilleMt PleasantNorth ChesterfieldOceansidePurchaseSt Petersburg

Giving Over Time

Total grant dollars and number of grants per year

$0$25M$50M$75M$100M15 grants2019 13 grants2020 21 grants2021 27 grants2022 33 grants2023 44 grants2024

From 2019 to 2024, annual grant giving ranged from $613K (2020) to $85.6M (2022). In 2024 it made 44 grants totaling $16.4M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Semper Fi & America's Fund: $6.0MSemper Fi & America's Fund$6.0MVeterans Matter: $4.1M across 2 grantsVeterans Matter$4.1M · 2 grantsChildren of Fallen Patriots Foundat: $2.5MChildren of Fallen PatriotsFoundat$2.5MTravis Manion Foundation: $1.0MTravis Manion Foundation$1.0MKid Save International Inc: $500KKid Save International Inc$500KA Soldiers Journey Home: $425KA Soldiers Journey Home$425KRichmond University Medical Center: $250KRichmond University MedicalCenter$250KMedal of Honor Foundation: $250KMedal of Honor Foundation$250KGuardian Revival Inc: $200KGuardian Revival Inc$200KThe Thomas R Elsasser Memorial Scho: $198KThe Thomas R Elsasser MemorialScho$198K

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

77<$50K18$50–100K16$100–250K11$250–500K3$500K–1M9$1–5M4$5M+

The most common grant size was under $50K: 77 grants of 138 (56%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Semper Fi & America's Fund Oceanside, CASupport$6,000,000
Veterans Matter Toledo, OHSupport$3,100,000
Children of Fallen Patriots Foundat Reston, VASupport$2,500,000
Travis Manion Foundation Doylestown, PASupport$1,000,000
Veterans Matter Toledo, OHSupport$1,000,000
Kid Save International Inc Culver City, CASupport$500,000
A Soldiers Journey Home Chattanooga, TNSupport$425,000
Richmond University Medical Center Staten Island, NYSupport$250,000
Medal of Honor Foundation Mt Pleasant, NCSupport$250,000
Guardian Revival Inc Stormville, NYSupport$200,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants reported
2024 $652,832,661 $559,392,887 $381,079,452 $16,432,989
2023 $431,536,218 $373,003,492 $272,204,056 $11,858,368
2022 $270,290,174 $305,316,257 $286,769,672 $85,574,013

The foundation’s website states that its program service ratio is over 91%.

Revenue
Expenses
Net Investment Income
$0$200M$400M$600M$800M2019 2020 2021 2022 2023 2024
Metric202420232022
Total Assets$652,832,661$431,536,218$270,290,174
Revenue$559,392,887$373,003,492$305,316,257
Expenses$381,079,452$272,204,056$286,769,672
Net Investment Income$8,489,228$5,135,730$653,991

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS August 31, 2020)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS August 12, 2021)
  3. Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
  4. Updated Form 990 for fiscal year 2022 (received by the IRS October 3, 2023)
  5. Updated Form 990 for fiscal year 2023 (received by the IRS November 14, 2024)
  6. Updated Form 990 for fiscal year 2024 (received by the IRS November 13, 2025)
  7. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Frank Siller as President; Matthew Mahoney as Executive VP DEVE; Jeanna Dellragione as COO; Lawrence Olson as Executive VP MARK; John Ponte as Senior VP, HOME; Gavin Naples as VP HOMELESS; Justing Kiernan as VP INTERNAL; Mary Scullin as Treasurer AN; 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

Matthew Mahoney — Exec VP Deve: $350KMatthew MahoneyExec VP Deve$350KJeanna Dellragione — COO: $350KJeanna DellragioneCOO$350KLawrence Olson — Exec VP Mark: $260KLawrence OlsonExec VP Mark$260KGavin Naples — VP Homeless: $229KGavin NaplesVP Homeless$229KJohn Ponte — Sr VP, Home: $223KJohn PonteSr VP, Home$223KJusting Kiernan — VP Internal: $213KJusting KiernanVP Internal$213KFrank Siller — President Ch: $100KFrank SillerPresident Ch$100KMary Scullin — Treasurer an: $24KMary ScullinTreasurer an$24K

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.

Contact

Mailing address: 2361 Hylan Blvd, Staten Island, NY 10306
Phone: (718) 987-1931
Website: https://t2t.org

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.

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