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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 Xerces Society Inc. Karl Souza

Karl Souza

Officer

Finance and Operations Director at Xerces Society Inc.

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$182,547
2024

Total compensation

Karl Souza has been listed as an employee of Xerces Society Inc. in Form 990 filings since at least fiscal year 2016. Total compensation for Karl Souza has increased by 77.2% from 2016 to 2024.

Annual compensation details

$182,547
+10.9%
Finance and Operations Director
2024
$131k
50 hrs/wk
$53k
--
$164,541
+5.1%
Finance and Operations Director
2023
$120k
50 hrs/wk
$46k
--
$156,545
+14.9%
Director of FIN and OPS
2022
$116k
50 hrs/wk
$42k
--
$136,264
+3%
Finance and Operations Director
2021
$99k
50 hrs/wk
$38k
--
$132,268
+3%
Finance and Operations Director
2020
$99k
50 hrs/wk
$34k
--
$128,475
+8.2%
Finance and Operations Director
2019
$96k
50 hrs/wk
$34k
--
$118,723
+6.7%
Finance and Operations Director
2018
$88k
50 hrs/wk
$32k
--
$111,292
+8%
Finance and Operations Director
2017
$89k
50 hrs/wk
$23k
--
$103,043
Finance and Operations Director
2016
$82k
60 hrs/wk
$22k
--

Total compensation by year

Compare the compensation of Karl Souza to:

Revisions to this profile

January 25, 2026:
2024 Xerces Society Inc. 990 published
January 25, 2026:
2023 Xerces Society Inc. 990 published
January 25, 2026:
2021 Xerces Society Inc. 990 published

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2024

Other employees at Xerces Society Inc.

Scott Hoffman Black
Executive Director
$322,045
$245,031 No related comp$77,014
Sarina Jepsen
Endangered Species Program Director
$162,344
$133,760 No related comp$28,584
David Vaughan
Pollinator and AGR Biodiversity Director
$155,621
$155,621 No related compNo other comp
Aimee B Code
Pesticide Program Director
$139,821
$116,338 No related comp$23,483
Matthew D Shepherd
Outreach and Education Director
$109,965
$101,476 No related comp$8,489
Suzanne Granahan
Membership Director
$108,628
$100,243 No related comp$8,385