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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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Employees Zoological Society of Cincinnati William Swanson

William Swanson

Highest compensated employee

Director of Animal Research at Zoological Society of Cincinnati

Fiscal year ended March 31, 2023. Published on January 25, 2026.

$141,148
2023

Total compensation

William Swanson has been listed as an employee of Zoological Society of Cincinnati in Form 990 filings since fiscal year 2017. Total compensation for William Swanson has increased by 10.4% from 2017 to 2023.

Annual compensation details

$141,148
+4.5%
Director of Animal Research
2023
$130k org
40 hrs/wk
$12k other
--
$135,116
+2.3%
Director of Animal Research
2022
$125k org
40 hrs/wk
$11k other
--

Total compensation by year

Compare the compensation of William Swanson to:

2023

Other employees at Zoological Society of Cincinnati

William T Maynard
Executive Director
$627,959
$603,666 from orgNo related comp$24,293 other
Samuel D Jenike
Vice President and Chief Operating Officer
$303,102
$279,838 from orgNo related comp$23,264 other
Lori L Voss
Vice President and Chief Financial Officer
$271,645
$241,822 from orgNo related comp$29,823 other
Terri Roth
VP: Conservation and Science
$193,688
$180,231 from orgNo related comp$13,457 other
Mark Fisher
VP: Facilities
$185,178
$158,517 from orgNo related comp$26,661 other
Chad Yelton
VP: Marketing
$170,780
$144,776 from orgNo related comp$26,004 other
Reba Dysart
VP: Development
$164,643
$147,160 from orgNo related comp$17,483 other
Jeffrey Walton
Human Resources Director
$160,667
$134,967 from orgNo related comp$25,700 other
Dean Violetta
Director of Planning and Exhibit Design
$128,643
$111,542 from orgNo related comp$17,101 other
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Revisions to this profile

January 25, 2026:
2023 Zoological Society of Cincinnati 990 published
January 25, 2026:
2022 Zoological Society of Cincinnati 990 published
January 24, 2026:
2021 Zoological Society of Cincinnati 990 published

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$132,029
Director of Animal Research
2021
$122k org
40 hrs/wk
$11k other
--
$127,679
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Director of Animal Research
2019
$118k org
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$11k other
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$124,630
-2.5%
Director of Animal Researc
2018
$115k org
40 hrs/wk
$10k other
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$127,821
Director of Animal Researc
2017
$118k org
40 hrs/wk
$10k other
--

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