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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 Oak Tree Charitable Foundation Warren B Williamson

Warren B Williamson

Vice President at Oak Tree Charitable Foundation

Fiscal year ended May 31, 2018. Published on January 24, 2026.

$0

2018

Total compensation

Warren B Williamson has been listed as an employee of Oak Tree Charitable Foundation in Form 990 filings since at least fiscal year 2016.

Annual compensation details

$0

Vice President

2018

$0

Vice President

2017

$0

Vice President

2016

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Revisions to this profile

January 24, 2026:

2018 Oak Tree Charitable Foundation 990 published

January 24, 2026:

2017 Oak Tree Charitable Foundation 990 published

January 24, 2026:

2016 Oak Tree Charitable Foundation 990 published

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2018

Other employees at Oak Tree Charitable Foundation

Thomas R Capehart

Vice President

$0

John H Barr

President

$0

Richard Mandella

Vice President

$0

Rick M Arthur

Vice President

$0

Sherwood C Chillingworth

Executive Vice President

$0

Robert W Zamarripa

Vice President

$0

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2018

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Warren P Williamson III

Williamson Family Foundation

Warren P Williamson IV

Williamson Family Foundation