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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 Mary Campbell Center Inc. Katherine Williamson

Katherine Williamson

Highest compensated employee

Employee at The Mary Campbell Center Inc.

Fiscal year ended June 30, 2023. Published on January 25, 2026.

$143,041
2023

Total compensation

Katherine Williamson has been listed as an employee of The Mary Campbell Center Inc. in Form 990 filings since fiscal year 2018. Total compensation for Katherine Williamson has increased by 41.3% from 2018 to 2023.

Annual compensation details

$143,041
+25.5%
Employee
2023
$126k
40 hrs/wk
$18k
--
$113,981
-4.7%
Employee
2022
$114k
40 hrs/wk
$119,659
+10.5%
Employee
2021
$120k
40 hrs/wk
$108,292
+3.7%
Employee
2020
$109k
40 hrs/wk
$104,428
+3.2%
Employee
2019
$105k
40 hrs/wk
$101,206
Employee
2018
$102k
40 hrs/wk

Total compensation by year

Compare the compensation of Katherine Williamson to:

2023

Other employees at The Mary Campbell Center Inc.

Regina Coffiey
Employee
$228,698
$228,698 No related compNo other comp
Anne Studd
Executive Director
$147,252
$144,717 No related comp$2,535
Thomas Shea
Director of External Affai
$145,022
$145,022 No related compNo other comp
Rollene Smalling
Employee
$128,573
$128,573 No related compNo other comp
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Revisions to this profile

January 25, 2026:
2023 The Mary Campbell Center Inc. 990 published
January 25, 2026:
2022 The Mary Campbell Center Inc. 990 published
January 24, 2026:
2021 The Mary Campbell Center Inc. 990 published

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