Compensation 990
OrganizationsEmployeesBoard MembersGrantsContractorsTop RankingsPricing

Stay updated on 990 organization compensation

© 2026 Civic Register LLC

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.

About•Report a discrepancy•Your privacy choices
Employees Chicago Zoological Society Dr Michael Adkesson

Dr Michael Adkesson

OfficerTrustee/director

President and Chief Executive Officer at Chicago Zoological Society

Fiscal year ended March 31, 2025. Published on January 25, 2026.

$797,411
2025

Total compensation

Dr Michael Adkesson has been listed as an employee of Chicago Zoological Society in Form 990 filings since fiscal year 2022. Total compensation for Dr Michael Adkesson has increased by 186.3% from 2022 to 2025.

Annual compensation details

$797,411
-5%
President and Chief Executive Officer
2025
$693k org
40 hrs/wk
$105k other
--
$839,439
+71.8%
President and Chief Executive Officer
2024
$683k org
40 hrs/wk
$158k other
--

Total compensation by year

Compare the compensation of Dr Michael Adkesson to:

2025

Other employees at Chicago Zoological Society

David E Burns
Chief Financial and Administrative Officer
$472,274
$388,865 from orgNo related comp$83,409 other
Cathleen Brueggemann
Senior Vice President, Development
$364,875
$317,613 from orgNo related comp$47,262 other
Andrea S Rodgers
Senior Vice President Guest Experience Operations
$277,743
$244,810 from orgNo related comp$32,933 other
Jennifer L Baader
Senior Vice President Govt Affairs
$267,111
$236,116 from orgNo related comp$30,995 other
Dr Sathya K Chinnadurai
Senior Vice President Animal Health Welfare
$259,020
$214,505 from orgNo related comp$44,515 other
Sandra L Dornhecker
Senior Vice President, Human Resources
$254,351
$225,740 from orgNo related comp$28,611 other
Randall Wells
Vice President Marine Mammal Conservation
$223,186
$194,171 from orgNo related comp$29,015 other
Shannon Heston
Vice President, Information Technology
$220,937
$181,871 from orgNo related comp$39,066 other
Melissa Lewkowich
Vice President Risk Facilities Mgmt
$217,538
$186,448 from orgNo related comp$31,090 other
Loading rankings…
Loading related profiles…

Revisions to this profile

January 25, 2026:
2025 Chicago Zoological Society 990 published
January 25, 2026:
2024 Chicago Zoological Society 990 published
January 25, 2026:
2023 Chicago Zoological Society 990 published

Get an email update when compensation for Dr Michael Adkesson is updated

Related Jobs

View more jobs
Powered by Talroo
Report a discrepancy →
$488,552
+75.4%
President and Chief Executive Officer
2023
$449k org
40 hrs/wk
$41k other
--
$278,515
President and CEO As of 10/21
2022
$239k org
40 hrs/wk
$40k other
--

Other people named Dr Michael Adkesson

2025
Board Member
Michael Adkesson
Dupagebiz
$0