John Koster

Trustee at The Stepping Stones Foundation

Fiscal year ended December 31, 2017. Published on January 24, 2026.

2017

Total compensation

John Koster has been listed as an employee of The Stepping Stones Foundation in Form 990 filings since at least fiscal year 2016.

Annual compensation details

Trustee

2017

President

2016

2017

Other employees at The Stepping Stones Foundation

Sally Corbett

Executive Director

$99,898

$98,037 from org—$1,861 other

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Revisions to this profile

January 24, 2026:

2017 The Stepping Stones Foundation 990 published

January 24, 2026:

2016 The Stepping Stones Foundation 990 published

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