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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 Gates Mills Improvement Society Steven Siemborski

Steven Siemborski

President at The Gates Mills Improvement Society

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

$0

2022

Total compensation

Steven Siemborski has been listed as an employee of The Gates Mills Improvement Society in Form 990 filings since fiscal year 2018.

Annual compensation details

$0

President

2022

$0

President

2021

$0

Vice President

2020

$0

Vice President

2019

$0

Vice President

2018

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Revisions to this profile

January 25, 2026:

2022 The Gates Mills Improvement Society 990 published

January 25, 2026:

2021 The Gates Mills Improvement Society 990 published

January 24, 2026:

2020 The Gates Mills Improvement Society 990 published

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2022

Other employees at The Gates Mills Improvement Society

Gail Palmer

Secretary

$0

James Stafford

Vice President

$0

Charles Marston

Treasurer

$0

Other people named Steven Siemborski

2022

Steven Siemborski

Woodruff Foundation