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Nonprofit · EIN 90-0634376

C40 CITIES CLIMATE LEADERSHIP GROUP INC

Tax-exempt · NEW YORK, NY 10017

Financials

$47.2M$61.4M2023$73.6M$69.6M2024
Revenue Expenses · by fiscal year end
Financials of C40 CITIES CLIMATE LEADERSHIP GROUP INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$73,614,205$69,615,007$3,999,198$43,927,306$4,394,511$39,532,795
December 31, 2023990$47,220,199$61,416,603-$14,196,404$38,571,730$4,917,133$33,654,597
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$73,214,367
of which government grants
$11,355,861
Program service revenue
$250,203
Investment income
$149,635
Other revenue
$0

Expenses

Grants and similar amounts paid
$6,267,054
Compensation of officers, directors and key employees
$616,128
Other salaries and wages
$31,500,364
Salaries, compensation and benefits (total)
$38,292,373
Professional fundraising fees
$0
Legal fees
$178,534
Accounting fees
$434,291
Occupancy
$1,438,162
Travel
$4,976,625
Depreciation
$3,953
Program services (functional)
$56,058,573
Management and general (functional)
$13,408,622
Fundraising (functional)
$147,812

Balance sheet and other

Total assets, start of year
$38,571,730
Total assets, end of year
$43,927,306
Total liabilities, end of year
$4,394,511
Net assets, end of year
$39,532,795
Land, buildings and equipment
$3,477
Net assets without donor restrictions
$7,052,129
Net assets with donor restrictions
$32,480,666
Gross receipts
$73,614,205
Employees
29
Volunteers
10
Year formed
2010
State of legal domicile
DE

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Mark WattsExecutive Director
Officer
40$244,137$14,648
Aditi MaheshwariManaging Director of Climate Action Implementation
Highest-paid employee
40$207,110$27,392
Kevin AustinDeputy Executive Director
Officer
40$208,389$12,503
Iyad KheirbekProgramme Director, Air Quality
Highest-paid employee
40$165,503$52,640
Zachary TofiasProgramme Director, Food and Waste
Highest-paid employee
40$143,521$53,334
Laura JayRegional Director North America
Highest-paid employee
40$150,378$45,599
Julia CiardulloDirector, Multilevel Partnerships | C40 x GCoM Joint Program
Highest-paid employee
40$142,142$49,833
Juliette CarterMANAGING DIRECTOR OF CORP SERVICES
Officer
32$128,727$7,724
ANTHA WILLIAMSTREASURER AND DIRECTOR
Trustee or director, Officer
0.1$0$0
BRUCE LINDSEYSECRETARY AND DIRECTOR
Trustee or director, Officer
0.1$0$0
MICHAEL R BLOOMBERGPRESIDENT AND DIRECTOR
Trustee or director, Officer
0.1$0$0
SHIRLEY RODRIGUESVP AND DIRECTOR
Trustee or director, Officer
0.1$0$0
CAROLINA URRUTIADIRECTOR (until 01/2024)
Trustee or director
0.1$0$0
HONGPENG LEIDIRECTOR
Trustee or director
0.1$0$0
JENNIFER SEMAKULA MUSISIDIRECTOR
Trustee or director
0.1$0$0
3 more people on this return
NameTitleHours / weekCompensation
JESPER NYGARDDIRECTOR
Trustee or director
0.1$0
MARIA VITTORIA BERIADIRECTOR
Trustee or director
0.1$0
SRI HARYATIDIRECTOR
Trustee or director
0.1$0
990 for the year ended December 31, 2023: 19 people
NameTitleHours / weekCompensationOther / benefits
MARK WATTSEXECUTIVE DIRECTOR
Officer
40$256,835$14,003
IYAD KHEIRBEKPROG DIR, AIR QUALITY IN CLIMATE SOLUTIONS & NETWO
Highest-paid employee
40$162,604$51,014
KEVIN AUSTINDEPUTY EXCUTIVE DIRECTOR
Officer
40$198,698$11,922
HASTINGS CHIKOKOREGIONAL DIRECTOR OF AFRICA
Highest-paid employee
40$199,287$7,051
LAURA JAYREGIONAL DIRECTOR, NORTH AMERICA
Highest-paid employee
40$147,430$51,705
ZACHERY TOFIASPROGRAMME DIRECTOR FOOD & WASTE
Highest-paid employee
40$139,950$51,739
MILAG SAN JOSE-BALLESTEROSREG DIR FOR EAST, SE ASIA & OCEANIA
Highest-paid employee
40$164,049$21,212
JULIETTE CARTERMANAGING DIRECTOR OF CORP SERVICES
Officer
32$122,104$7,326
MICHAEL R BLOOMBERGPRESIDENT AND DIRECTOR
Trustee or director, Officer
0.1$0$0
ANTHA WILLIAMSTREASURER AND DIRECTOR
Trustee or director, Officer
0.1$0$0
JUSTIN JOHNSONDIRECTOR (END 9/19/23)
Trustee or director
0.1$0$0
JESPER NYGARDDIRECTOR
Trustee or director
0.1$0$0
BRUCE LINDSEYSECRETARY AND DIRECTOR
Trustee or director, Officer
0.1$0$0
SHIRLEY RODRIGUESVP AND DIRECTOR
Trustee or director, Officer
0.1$0$0
CAROLINA URRUTIADIRECTOR
Trustee or director
0.1$0$0
JENNIFER SEMAKULA MUSISIDIRECTOR
Trustee or director
0.1$0$0
SRI HARYATIDIRECTOR
Trustee or director
0.1$0$0
MARIA VITTORIA BERIADIRECTOR
Trustee or director
0.1$0$0
HONGPENG LEIDIRECTOR (BEG. 9/19/2023)
Trustee or director
0.1$0$0

Address and contacts

Address (IRS master file)
120 PARK AVENUE FLOOR 23, NEW YORK, NY 10017-5577
In care of
% AMY RODWELL
Principal officer (990 for 2024)
MARK WATTS, 120 Park Avenue Floor 23, New York, NY 10017
Signed the 990
JULIETTE CARTER, MANAGING DIR, CORP SVCS.
Phone
(646) 324-9209
Return prepared by
KPMG LLP

Mission

C40 IS A GLOBAL NETWORK OF NEARLY 100 MAYORS OF THE WORLD'S LEADING CITIES THAT take action to address environmental and climate change issues. SEE SCHEDULE O FOR ADDITIONAL INFORMATION.

990 for the year ended December 31, 2024

Program accomplishments

  • In 2024, C40 cities implemented 73 additional climate actions, taking the total number of actions to 1200. This contributed to a reduction of 7.5% of C40's collective GHG emissions in 2024 compared to 2015. In 2024, approx 75% of C40 cities reduced their emissions faster than their national government. In 2024, CHAMP initiative, designed to build further collaboration between national and subnational governments reached 74 signatories representing 36% of global emissions. SEE SCHEDULE O FOR ADDITIONAL INFORMATION.
    Expenses $56,058,573 · grants $6,267,054 · revenue $250,203

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
90-0634376
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2013
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C029)
Assets (IRS master file)
$43,927,306
Income (IRS master file)
$73,614,205

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$73,614,205$69,615,007$43,927,306XML
990December 2023$47,220,199$61,416,603$38,571,730XML
990December 2022$54,380,631$38,765,181$52,177,936IRS
990December 2021–––IRS
990-TDecember 2021–––IRS
990December 2020–––IRS
990-TDecember 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 90-0634376).

Questions about C40 CITIES CLIMATE LEADERSHIP GROUP INC

What is the EIN of C40 CITIES CLIMATE LEADERSHIP GROUP INC?
The employer identification number (EIN) of C40 CITIES CLIMATE LEADERSHIP GROUP INC is 90-0634376.
Is C40 CITIES CLIMATE LEADERSHIP GROUP INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to C40 CITIES CLIMATE LEADERSHIP GROUP INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does C40 CITIES CLIMATE LEADERSHIP GROUP INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of C40 CITIES CLIMATE LEADERSHIP GROUP INC due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did C40 CITIES CLIMATE LEADERSHIP GROUP INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of C40 CITIES CLIMATE LEADERSHIP GROUP INC?
The 990 for the year ended December 31, 2024 names MARK WATTS.
Who are the officers and directors of C40 CITIES CLIMATE LEADERSHIP GROUP INC?
The 990 for the year ended December 31, 2024 lists 18 people; 8 received compensation from the organization, the highest $244,137 (Mark Watts, Executive Director).
How much revenue does C40 CITIES CLIMATE LEADERSHIP GROUP INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $73,614,205, expenses of $69,615,007 and total assets of $43,927,306 at year end.

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