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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 The Morton Arboretum Kathleen Spiess

Kathleen Spiess

Officer

Vice President, Development at The Morton Arboretum

Fiscal year ended December 31, 2021. Published on January 25, 2026.

$232,431
2021

Total compensation

Kathleen Spiess has been listed as an employee of The Morton Arboretum in Form 990 filings since at least fiscal year 2016. Total compensation for Kathleen Spiess has increased by 46.3% from 2016 to 2021.

Annual compensation details

$232,431
+0.5%
Vice President, Development
2021
$218k org
40 hrs/wk
$15k other
--
$231,334
+9.7%
Vice President, Development
2020
$218k org
40 hrs/wk
$15k other
--

Total compensation by year

Compare the compensation of Kathleen Spiess to:

2021

Other employees at The Morton Arboretum

Gerard T Donnelly, Ph.D.
President and Chief Executive Officer
$660,763
$571,519 from orgNo related comp$89,244 other
James S Fawley
Vice President and Chief Financial Officer
$292,470
$246,005 from orgNo related comp$46,465 other
Kris Bachtell
Vp-Collections and Facilities
$240,982
$185,633 from orgNo related comp$55,349 other
Alicia Lavire
Vice President, Marketing and Communications
$219,323
$184,551 from orgNo related comp$34,772 other
Preston Wong Bautista
Vp-Learning and Engagement
$212,495
$191,090 from orgNo related comp$21,405 other
Kelly Nolan
Dir-Major Gifts
$177,499
$135,908 from orgNo related comp$41,591 other
Nancy Peske
Human Resources Director
$175,436
$134,807 from orgNo related comp$40,629 other
Charles Cannon
Dir-Center for TREE Science
$173,900
$134,872 from orgNo related comp$39,028 other
Sai Ravichandran
Information Technology Director
$167,893
$126,445 from orgNo related comp$41,448 other
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Revisions to this profile

January 25, 2026:
2021 The Morton Arboretum 990 published
January 24, 2026:
2020 The Morton Arboretum 990 published
January 24, 2026:
2019 The Morton Arboretum 990 published

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