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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 Knowlton Foundation Charles J Knowlton

Charles J Knowlton

Trustee at The Knowlton Foundation

Fiscal year ended December 31, 2020. Published on January 24, 2026.

$0

2020

Total compensation

Charles J Knowlton has been listed as an employee of The Knowlton Foundation in Form 990 filings since at least fiscal year 2016.

Annual compensation details

$0

Trustee

2020

$0

Trustee

2019

$0

Trustee

2018

$0

Trustee

2017

$0

Trustee

2016

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Revisions to this profile

January 24, 2026:

2020 The Knowlton Foundation 990 published

January 24, 2026:

2019 The Knowlton Foundation 990 published

January 24, 2026:

2018 The Knowlton Foundation 990 published

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2020

Other employees at The Knowlton Foundation

Suzanne A Barkhouse

Secretary and Trustee

$0

Judith A Knowlton

Treasurer and Trustee

$0

Other people named Charles J Knowlton

2020

Charles Knowlton

Turning Leaf Project