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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Organizations Animal-Related Chicago Zoological Society

Chicago Zoological Society

Fiscal year ending 2024. Filed on July 29, 2024.

3300 Golf Road
Brookfield, Illinois 60513

Chicago Zoological Society (EIN: 36-2167016), also known as Brookfield Zoo, has filed an IRS Form 990 between fiscal years 2016 and 2025. In its fiscal year 2024 IRS Form 990 filing, Chicago Zoological Society, a 501(c)(3) charitable organization, reported compensation for 11 out of 743 total employees. Among the employees shown here, the average compensation is $315,157. The highest compensated employee at Chicago Zoological Society is Dr Michael Adkesson with fiscal year 2024 compensation of $839,439.

Revenue, expenses, and employee compensation

Revenue

$94,260,071

Expenses

$75,495,346

Employee compensation

$39,305,223
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Dr Michael Adkesson
President and Chief Executive Officer
$839,439
$682,151 No related comp$157,288
David E Burns
Chief Financial and Administrative Officer
$413,887
$378,747 No related comp$35,140
Mary A Cronin
Master Planning Coordinator
$360,427
$352,773 No related comp$7,654
Cathleen Brueggemann
Senior Vice President, Development
$328,369
$313,637 No related comp$14,732
Dr Sathya K Chinnadurai
Senior Vice President Animal Health Welfare
$255,056
$207,122 No related comp$47,934
Jennifer L Baader
Senior Vice President Govt Affairscommunity Pgms
$238,453
$205,424 No related comp$33,029
Sandra L Dornhecker
Senior Vice President, Human Resources
$219,027
$188,377 No related comp$30,650
Leah Rippe
Vice President Marketing Communications
$218,322
$193,805 No related comp$24,517
Melissa Lewkowich
Vice President Risk Facilities Mgmt
$210,704
$177,504 No related comp$33,200
Jerome E Johnston
Vice President Guest Services Operations
$196,778
$183,505 No related comp$13,273
Heather Bilcer
Vice President, Finance
$186,267
$180,324 No related comp$5,943

Benchmark Employee Compensation

Non-Employee Board Members

Amy Best
Trustee 11/23-3/24
Barbara Grayson
Trustee
Barbara J Bradford
Trustee
Barbara Levy Kipper
Trustee
Benita S Romano
Trustee
Bert A Getz Jr
Board Vice Chair
Cherryl T Thomas
Board Chair
Darius A Gill
Trustee
Dr Bonny Chen
Trustee
Dr Lisa C Freeman
Trustee
Edward McCormick Blair Jr
Trustee
Elizabeth Hamill Bramsen
Board Vice Chair

Contractors

Goettsch Partners Inc
Architectural
$1,569,848
Two By Four
Advertising/Consulting
$1,479,486
Chilton Yambert Porter LLP
Legal
$719,244
Booth Hansen
Architectural
$633,969
Paymentech LLC
Payment Card Processing
$493,945

Mission Statement

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

Revisions to this organization profile

September 10, 2025:
2025 Chicago Zoological Society 990 filed
July 29, 2024:
2024 Chicago Zoological Society 990 filed
July 28, 2023:
2023 Chicago Zoological Society 990 filed

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