Chicago Zoological Society

BROOKFIELD, IL EIN: 36-2167016 Website

To inspire conservation leadership by connecting people with wildlife and nature.

Financial Overview

From 2025 IRS Form 990-PF

Total Assets

$317.2M

+19.6% YoY

Annual Giving

$24K

-15.6% YoY

Grant Count

2

-33.3% YoY

Avg Grant Size

$12K

+26.7% YoY

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Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$30M$59M$89M$119M201920202022202320242025
Metric202520242023
Total Assets$317,202,000$265,240,000$226,030,000
Revenue$107,989,615$94,260,071$64,594,406
Expenses$78,379,597$75,495,346$66,115,083
Qualifying Distributions
Net Investment Income$5,510,186$4,492,644$2,365,021
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$90K$180K$270K$360K0 grants20191 grants20202 grants20222 grants20233 grants20242 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Pangolin Conseravtion an…$17KThe Biodiversity Group$7K

Grant Size Distribution

10 grants across all recorded years

8<$50K$50–100K1$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Who else does Chicago Zoological Society fund?

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Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

Dr Michael AdkessonPresident and CEO$693KDavid E BurnsChief Financial and Admin. O…$389KCathleen BrueggemannSr. VP Development$318KAndrea S RodgersSr. VP Guest Experience Oper…$245KJennifer L BaaderSr. VP Govt Affairs$236KSandra L DornheckerSr. VP Human Resources$226KDr Sathya K Chinnadu…Sr. VP Animal Health Welfare$215KHeather BilcerVP Finance$195KRandall WellsVP Marine Mammal Conservation$194KMelissa LewkowichVP Risk Facilities Mgmt$186KShannon HestonVP Information Technology$182KJerome E JohnstonVP Guest Services Operations$177K

From 2025 filing

NameTitleHoursCompensation
Dr Michael AdkessonPresident and CEO40$692,858
David E BurnsChief Financial and Admin. Officer40$388,865
Cathleen BrueggemannSr. VP Development40$317,613
Andrea S RodgersSr. VP Guest Experience Operations40$244,810
Jennifer L BaaderSr. VP Govt Affairs40$236,116
Dr Sathya K ChinnaduraiSr. VP Animal Health Welfare40$214,505
Sandra L DornheckerSr. VP Human Resources40$225,740
Randall WellsVP Marine Mammal Conservation40$194,171
Shannon HestonVP Information Technology40$181,871
Melissa LewkowichVP Risk Facilities Mgmt40$186,448
Heather BilcerVP Finance40$195,060
Jerome E JohnstonVP Guest Services Operations40$177,475
Cherryl T ThomasChair of the Board2
William C Kunkler IIIDeputy Chair of the Board2
Elizabeth Hamill BramsenVice-Chair of the Board2
Merrick M ElfmanVice-Chair of the Board2
Bert A Getz JrVice-Chair of the Board2
John P GrubeVice-Chair of the Board2
Molly KellerVice-Chair of the Board2
Michael P EmmertTreasurer2
Randall G VickerySecretary2
Stuart B AbelsonTrustee2
Walter W Becky IITrustee2
Jennifer L BelliniTrustee2
Jay D BergmanTrustee2
Edward McCormick Blair JrTrustee2
Barbara J BradfordTrustee2
James A BryanTrustee2
Michael G CanningTrustee2
John A CarpenterTrustee2
Dr Bonny ChenTrustee2
Rita Sola CookTrustee2
JR Davis IIITrustee2
Michael F DeSantiagoTrustee2
Gregory J DiDomenicoTrustee2
Michael DraiTrustee2
Sunny ElebuaTrustee as of 10/242
Dr Lisa C FreemanTrustee2
Matthew GambsTrustee as of 10/242
Sasha L GerritsonTrustee2
Darius A GillTrustee2
Barbara GraysonTrustee2
Heidi HuizengaTrustee2
Kevin M KeeleyTrustee2
Kevin M KillipsTrustee2
Barbara Levy KipperTrustee2
Jerry ManneTrustee2
Tim OzingaTrustee2
Stan PepperTrustee as of 11/242
Toni PreckwinkleTrustee2
Elizabeth S QuinnTrustee2
Benita S RomanoTrustee2
Mark G SanderTrustee2
Kelley C SchuelerTrustee2
Patrick E WhitesideTrustee2
Joseph A GregoireTrustee thru of 12/242
Stuart D Strahl PhDTrustee thru of 3/252

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

7states

Cities

AustinChicagoMarysvilleMiamiSan DiegoTucsonYarmouth

Data last updated March 2026. Sourced from IRS Form 990-PF filings.

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