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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 Washington Stem Center Yoko Shimomura

Yoko Shimomura

Officer

Chief Operating Officer at The Washington Stem Center

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

$249,072
2024

Total compensation

Yoko Shimomura has been listed as an employee of The Washington Stem Center in Form 990 filings since fiscal year 2019. Total compensation for Yoko Shimomura has increased by 16.7% from 2019 to 2024.

Annual compensation details

$249,072
+1.9%
Chief Operating Officer
2024
$233k
40 hrs/wk
$17k
--
$244,339
-3.6%
Chief Operating Officer
2023
$217k
40 hrs/wk
$28k
--
$253,529
+7.6%
Chief Operating Officer
2022
$233k
40 hrs/wk
$21k
--
$235,596
+2.3%
Chief Operating Officer
2021
$216k
40 hrs/wk
$20k
--
$230,386
+8%
Chief Operating Officer
2020
$212k
40 hrs/wk
$19k
--
$213,351
Chief Operating Officer
2019
$185k
40 hrs/wk
$30k
--

Total compensation by year

Compare the compensation of Yoko Shimomura to:

Revisions to this profile

January 25, 2026:
2024 The Washington Stem Center 990 published
January 25, 2026:
2023 The Washington Stem Center 990 published
January 25, 2026:
2022 The Washington Stem Center 990 published

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2024

Other employees at The Washington Stem Center

Lynne Varner
Chief Executive Officer
$266,186
$245,865 No related comp$20,321
Jenee Myers-Twitchell
Chief Impact Officer
$221,354
$200,385 No related comp$20,969
Min Hwangbo
Impact Director
$161,892
$147,375 No related comp$14,517
Scott Dalessandro
Strategic Partnerships Director
$158,251
$142,760 No related comp$15,491
Angie Mason-Smith
Program Director
$146,321
$134,335 No related comp$11,986
Soleil Boyd
Senior Program Officer
$142,705
$128,714 No related comp$13,991
Blair Peterson
Finance Director
$137,419
$122,455 No related comp$14,964