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Charity Math
The 990 read · EIN 02-0554654 · NY · Fiscal year 2024

Tunnel to Towers Foundation

Stephen Siller Tunnel to Towers Foundation: CEO salary, finances and where donations go

In its own words

“The mission of the stephen siller Tunnel to Towers Foundation is to honor the sacrifice of fdny firefighter stephen siller, and all those who laid down their lives to save others on september 11, 2001.”

Data only Figures straight from the filing, screened by our rules. Not yet reviewed in depth by a CPA.

Methodology by Amir Arani, CPA, CA · Updated

Top pay
$350K Matthew Mahoney, 0.1% of spending
Revenue
$559.4M 96.5% from donations and grants
Spent
$381.1M 88% on programs, as reported
Net assets
$501.1M end of 2024
Savings
15.8 months of spending, net assets ÷ spending
People
390 employees, 4,000 volunteers
Form 990 (2024), Parts I, VII, IX, X
01 · Red flags

1 thing to look at.

We screen every filing against twelve rules. A flag is a prompt for a closer look, not a finding of wrongdoing.

low

Business transactions with insiders or their companies

Part IV line 28a, 28b answered yes.

Form 990 Part IV, lines 28a–28c; Schedule L Part IV
02 · Where $1 goes · 2024

Of each dollar it spent, 88.0¢ went to programs, as reported.

The split the charity filed.
88.0¢
Programs, $335.4M
9.9¢
Fundraising, $37.6M
2.1¢
Admin, $8.1M
Form 990 (2024), Part IX, line 25
Cost to raise $1
7¢
as reported
25¢
counting the shared mail

For each dollar donated, Tunnel to Towers Foundation spent 7¢ on fundraising, or about 25¢ counting joint costs.

Fundraising ÷ $539.6M contributions · Form 990 Parts VIII, IX
03 · What it does

What it told the IRS it spent on.

The charity's own description of its largest programs, with what each cost.

Program 1 · 8.4% of program spending · $6.4M in grants $28.2M

Never forget programs: 1)national tunnel to towers runs and stair climb series: the new york city 5k run and tower climb as well as the national runs and climbs are memorial events held in honor of stephen siller (fdny), and all who perished on 9/11, as well as first responders and military who continue to put their lives on the line to serve and protect our nation. The foundation has established these memorial events to ensure we never forget 2) tunnel to towers 9/11 institute: this is our september 11, 2001 education program. The foundation has developed a curriculum for grades k- 12 that…

Form 990 (2024), Part III
04 · The savings

Net assets: $4.1M to $501.1M in 11 years.

Net assets at each fiscal year end, 2013 to 2024.

Net assets at year end, $ millions
4
4
5
6
8
10
21
78
195
209
318
501
Form 990 history via ProPublicaForm 990 (2024)
05 · Who gets paid

The 8 highest-paid people.

Reportable pay in 2024, from the charity and related organizations.

Matthew Mahoney
Exec VP Deve
$350,012
Jeanna Dellragione
COO
$350,000
Lawrence Olson
Exec VP Mark
$259,616
Gavin Naples
VP Homeless
$229,295
John Ponte
Sr Vp, Home
$222,538
Justing Kiernan
VP Internal
$213,097
Frank Siller
President Ch
$100,000
Mary Scullin
Treasurer an
$24,000
Form 990 (2024), Part VII, Section A
06 · Questions

The questions people ask about the Tunnel to Towers Foundation.

Short, sourced answers. Each one stands on its own.

How much does the Tunnel to Towers Foundation CEO make?

Matthew Mahoney, Exec VP Deve, received $350,012 in reportable compensation in 2024, 0.1% of Tunnel to Towers Foundation's $381.1M in spending.

Form 990 (2024), Part VII

What percentage of Tunnel to Towers Foundation donations go to programs?

Tunnel to Towers Foundation reported 88% of 2024 spending as programs, 9.9% as fundraising and 2.1% as management. That includes $99.9M of joint mail and ad costs counted as programs; without them, programs were 61.8%.

Form 990 (2024), Part IX

How much money does Tunnel to Towers Foundation have?

Net assets were $501.1M at the end of 2024, about 15.8 months of spending.

Form 990 (2024), Part X

Does Tunnel to Towers Foundation have any red flags in its filing?

Its latest Form 990 triggered 1 of our twelve screening rules: business transactions with insiders or their companies. A flag is a prompt for a closer look, not a finding of wrongdoing.

Form 990 (2024)
07 · Sources and citing

Every number, traced.

  1. Tunnel to Towers Foundation Form 990, 2024 (IRS e-file)
  2. Tunnel to Towers Foundation Form 990 history (ProPublica Nonprofit Explorer)
Cite this page

Amir Arani, “Tunnel to Towers Foundation: CEO salary, finances and where your dollar goes,” Charity Math, updated 2026-11-07. https://charitymath.com/charities/tunnel-to-towers-foundation/