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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 Chicago Horticultural Society Gregory Mueller

Gregory Mueller

Officer

Vice-President, Science and Academics at Chicago Horticultural Society

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$249,047
2022

Total compensation

Gregory Mueller has been listed as an employee of Chicago Horticultural Society in Form 990 filings since at least fiscal year 2016. Total compensation for Gregory Mueller has increased by 27.1% from 2016 to 2022.

Annual compensation details

$249,047
+8.6%
Vice-President, Science and Academics
2022
$227k org
40 hrs/wk
$23k other
--
$229,274
+5.8%
Vice-President, Science and Academic Programs
2021
$203k org
40 hrs/wk
$27k other
--

Total compensation by year

Compare the compensation of Gregory Mueller to:

2022

Other employees at Chicago Horticultural Society

Jean M Franczyk
President and Chief Executive Officer
$485,554
$474,224 from orgNo related comp$11,330 other
Paul Rafac
Executive Vice President and Chief Financial Officer
$331,505
$312,451 from orgNo related comp$19,054 other
Fred Spicer
Executive Vice President and Director
$309,748
$299,320 from orgNo related comp$10,428 other
Aida Giglio
Vice President, Human Resources
$253,336
$252,578 from orgNo related comp$758 other
Jennifer A Schwarz Ballard
Vice-President, Community Education
$222,130
$211,984 from orgNo related comp$10,146 other
Gwen Vanderburg
Vice President, Marketing
$220,802
$200,378 from orgNo related comp$20,424 other
Kayri Havens
SR Director, Plant Science and Conservation
$190,661
$167,241 from orgNo related comp$23,420 other
Patrick S Herendeen
SR Director, Ecology and Conservation
$171,760
$159,723 from orgNo related comp$12,037 other
Patricia M Shanahan
Associate Vice President
$165,941
$155,351 from orgNo related comp$10,590 other
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Revisions to this profile

January 25, 2026:
2022 Chicago Horticultural Society 990 published
January 25, 2026:
2021 Chicago Horticultural Society 990 published
January 24, 2026:
2020 Chicago Horticultural Society 990 published

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