Wildlife Conservation Society

Bronx, New York - EIN 13-1740011 - Latest filing: fiscal 2025 (Jul 1, 2024 - Jun 30, 2025)

HOW TO READ THIS PAGE

How to read this page: every figure below is from the fiscal-2025 Form 990, filed May 12, 2026. People named below are shown as reported on the fiscal-2025 Form 990, filed May 12, 2026 - the filing is a snapshot of that fiscal year, not a list of current officeholders.

THE FILING IN ONE PARAGRAPH

Wildlife Conservation Society reported $400,861,377 in revenue and $456,032,967 in expenses in fiscal 2025, a deficit of $55,171,590 for the year. Program services took $402,598,503 of expenses, or 88.3%. The organization closed the year with $869,407,423 in net assets - about 22.9 months of expenses at the fiscal-2025 spending level.

At a Glance - Fiscal 2025

All values are fiscal 2025 unless a tile says otherwise.

TOTAL REVENUE - FISCAL 2025
$400,861,377

Up 3.0% from $389,150,742 in fiscal 2024.

TOTAL EXPENSES - FISCAL 2025
$456,032,967

Revenue minus expenses: -$55,171,590 in fiscal 2025.

PROGRAM EXPENSE SHARE - FISCAL 2025
88.3%

$402,598,503 of $456,032,967 went to program services.

NET ASSETS - END OF FISCAL 2025
$869,407,423

Total assets $1,249,431,919 minus total liabilities $380,024,496.

TOP EXECUTIVE PAY - FISCAL 2025
$1,498,255

Monica P Medina, President & CEO through 4/1/24, as reported on the fiscal-2025 Form 990, filed May 12, 2026. Total across all compensation columns.

PEOPLE REPORTED - FISCAL 2025
2,917 Employees

Plus 729 volunteers reported on the fiscal-2025 Form 990.

Money In, Money Out - Fiscal 2025

Revenue and expenses as reported on the fiscal-2025 Form 990, filed May 12, 2026. Donated goods are separated from cash so food and supply donations do not read as cash income.

Where the Money Went - Fiscal 2025

Program Services$402,598,503 (88.3%)
Fundraising$14,603,161 (3.2%)
Management and General$38,831,303 (8.5%)

Management and general is the figure reported on the filing (Part IX total); where a filing does not carry it, it is computed as the residual of total expenses minus program and fundraising expenses. Cost to raise a dollar in fiscal 2025: $0.05 - $14,603,161 in fundraising expenses divided by $294,494,628 in total contributions. On cash contributions only: $0.05.

Where the Money Came From - Fiscal 2025

SourceFiscal 2025
Total Contributions$294,494,628
Of Which Cash Contributions$287,029,875
Of Which Donated Goods (Noncash)$7,464,753
Membership Dues$8,117,093
Fundraising Events$1,616,714
Related Organizations$4,635,892
Government Grants$103,846,773
All Other Contributions$176,278,156
Program Service Revenue$58,938,352
Investment Income$11,709,802
Other Revenue$35,718,595
Total Revenue (All Sources)$400,861,377

Reserves and Balance Sheet - Fiscal 2025

Reserves and Runway

22.9 Months

of reserves - $869,407,423 in net assets at the end of fiscal 2025, divided by average monthly expenses of about $38,002,747 in fiscal 2025.

Net assets can include donor-restricted funds, buildings and other assets that cannot be spent like cash. Treat months of reserves as a scale measure, not as cash in the bank.

Balance Sheet - End of Fiscal 2025

Total Assets$1,249,431,919
Total Liabilities$380,024,496
Liabilities as Share of Assets30.4%
Net Assets$869,407,423

Leadership Pay - Fiscal 2025

Pay is the summed total across all compensation columns on the Form 990 - pay from the organization, pay from related organizations, and other compensation. People are shown as reported on the fiscal-2025 Form 990, filed May 12, 2026.

Name and Title, as ReportedTotal Pay - Fiscal 2025Share of Expenses
Monica P Medina - President & CEO through 4/1/24$1,498,2550.33%
Robert G Menzi - EVP Chief Operating Officer$1,104,3900.24%
James J Breheny - EVP Director of Zoos/Aquarium$709,9410.16%
John F Calvelli - EVP Public Affairs$584,9540.13%
Christopher J McKenzie - SVP General Counsel$549,4510.12%
Paula Hayes - EVP Chief of GR through2/28/25$547,3390.12%
Joseph Walston - EVP Global Conservation$530,4740.12%
Craig Piper - VP and Director of City Zoos$454,9040.10%
Daniel Zarin - E. Director of Forest Programs$448,8930.10%
Jelle Boot - VP Human Resources$440,5420.10%
Laura Stolzenthaler - SVP & CFO$433,8760.10%
Susan Chin - SVP of Strategy & Advancement$429,1290.09%
Mary Dixon - SVP for Communications$394,2360.09%
Niko Radjenovic - VP Business Services$391,4400.09%
Patrick Mouton - VP & Comptroller From 3/04/24$239,5370.05%
Robert Calamo - VP&Comptroller through 1/31/24$223,6560.05%

The full Part VII table lists every officer, director, trustee and key employee named on the filing, with hours and the same summed total. Compensation is reported for the calendar year ending within the fiscal year, per the Form 990.

Board and Governance - Fiscal 2025

Board and policy answers as reported on the fiscal-2025 Form 990, filed May 12, 2026.

Board Roster - as Reported on the Fiscal-2025 Form 990

36 voting members, 36 independent - independence count as reported on the fiscal-2025 Form 990.

Name, as ReportedRole, as Reported
Monica P MedinaPresident & CEO through 4/1/24
Robert G MenziEVP Chief Operating Officer
James J BrehenyEVP Director of Zoos/Aquarium
John F CalvelliEVP Public Affairs
Christopher J McKenzieSVP General Counsel
Paula HayesEVP Chief of GR through2/28/25
Joseph WalstonEVP Global Conservation
Craig PiperVP and Director of City Zoos
Daniel ZarinE. Director of Forest Programs
Jelle BootVP Human Resources
Laura StolzenthalerSVP & CFO
Susan ChinSVP of Strategy & Advancement
Mary DixonSVP for Communications
Niko RadjenovicVP Business Services
Patrick MoutonVP & Comptroller From 3/04/24
Robert CalamoVP&Comptroller through 1/31/24
Alejandro Santo DomingoChair & Trustee
Elizabeth M AinslieVice Chair & Trustee
Thomas J EdelmanTreasurer & Trustee
Loretta M StadlerSecretary & Trustee
Eric AdamsEx Officio Trustee
Brad LanderEx Officio Trustee
Adrienne E AdamsEx Officio Trustee
Susan DonoghueEx Officio Trustee
Laurie CumboEx Officio Trustee
Vanessa L GibsonEx Officio Trustee
Antonio ReynosoEx Officio Trustee
Neil BarrTrustee
Hamilton E JamesTrustee Until 11/08/2024
Rosina M BierbaumTrustee
Duncan A ChapmanTrustee
Katherine L DolanTrustee
Christopher J EllimanVice Chair & Trustee
Paul A GouldTrustee
Peter T GrauerTrustee
Jonathan D GreenTrustee
Antonia M GrumbachTrustee
O Andreas HalvorsenTrustee
Judith H HamiltonTrustee
Jan HatziusTrustee
John N Irwin IIITrustee
Trevor KempnerTrustee
Julia Marton-LefvreTrustee Until 11/08/2024
Ambrose K MonellTrustee
Adebayo O OgunlesiTrustee
Juan Manuel SantosTrustee
David B SchiffTrustee
Walter C SedgwickTrustee
Katherine SherrillTrustee
Caroline N SidnamTrustee
Andrew H TischTrustee
Marcel van PoeckeTrustee
Akiko YamazakiTrustee
Robert B ZoellickTrustee

Governance Policy Flags - Fiscal 2025

Conflict of Interest PolicyYes - Reported
Whistleblower PolicyYes - Reported
Document Retention PolicyYes - Reported
Audited Financial StatementsYes - Reported
Audit CommitteeYes - Reported
Board Size and Independence36 voting / 36 independent

Flags report what the organization answered on the Form 990. A Yes means the policy was reported on the filing; it is not an outside review of how the policy works in practice.

Grants - Fiscal 2025

Grants Made - Fiscal 2025

This organization reported $24,128,708 in grants paid in fiscal 2025.

Recipient, as ReportedAmount
American Rivers
Conservation
$50,000
Nature Conservancy
Conservation
$147,189
Trout Unlimited Inc
Conservation
$59,834
World Wildlife Fund Inc
Conservation
$12,541
Environmental Defense Fund Inc
CONSERVATION
$973,690
Methow Salmon Recovery Foundation
CONSERVATION
$99,576
Regents of the University of California Davis
CONSERVATION
$6,483
African Wildlife Foundation
Conservation
$52,514
Foundations of Success inc
Conservation
$5,132
University of Alaska
Conservation
$268,888
Woods Hole Oceanographic
Conservation
$528,210
National Audubon Society Inc
CONSERVATION
$47,349
Oregon Natural Desert Association Inc
CONSERVATION
$50,000
Florida International University Foundation
CONSERVATION
$84,444
University Of Washington Foundation
CONSERVATION
$27,000
Mississippi Park Connection
CONSERVATION
$50,000
Pacific Rim Conservation Inc
Conservation
$49,500
California Ocean Alliance
CONSERVATION
$35,803
Natural Resources Foundation of Wisconsin Inc
CONSERVATION
$100,000
Native Village of Kotzebue
CONSERVATION
$12,500
Northwest Natural Resource Group
CONSERVATION
$39,866
Tucson Audubon Society Inc
CONSERVATION
$100,000
STONE BARNS RESTORATION Corp
CONSERVATION
$90,199
Board of Regents of the University of Wisconsin Sy
CONSERVATION
$26,293
Catholic Relief Services USCCB
CONSERVATION
$803,979
Mote Marine Laboratory
CONSERVATION
$50,666
Wildlife Friendly Enterprise Network
CONSERVATION
$71,688
Internews Network
CONSERVATION
$928,428
ADM Capital Foundation Inc
CONSERVATION
$206,000
African Aquatic Conservation Fund
CONSERVATION
$81,772
Manomet Inc
CONSERVATION
$50,000
Partners for Development (PfD)
CONSERVATION
$1,266,855
Rare Inc
CONSERVATION
$219,565
WPT- World Parrot Trust
CONSERVATION
$19,171
Boise State University Foundation Inc
Conservation
$38,866
EpiEcos
Conservation
$120,240
Ketchikan Indian Corporation
Conservation
$33,781
North Slope Borough
Conservation
$104,158
Wild Earth Allies Inc
Conservation
$37,500

Trend - Revenue

Years are shown only where a filing is held. Missing years are absent, never filled in.

FY24 FY25
Revenue, fiscal 2024 to fiscal 2025 - the two years held on this record.
Fiscal YearRevenueChange
Fiscal 2024 (Prior-Year Column on the Fiscal-2025 Filing)$389,150,742-
Fiscal 2025$400,861,377+3.0%

This table grows to a 10-year view (revenue, expenses, net assets and top pay) as earlier filings for this organization are added to the record. Missing years are absent, never filled in.

Filings on Record

Tax PeriodFormStatusSource
Jul 1, 2024 - Jun 30, 2025Form 990In Force - Filed May 12, 2026Original Filing at the IRS

If an amended return is filed, the newest amended return supersedes the earlier one and the table marks which filing is in force.

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