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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 Global Cornerstone Solution John Schiffner

John Schiffner

Officer

Chair at Global Cornerstone Solution

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

$0

2024

Total compensation

John Schiffner has been listed as an employee of Global Cornerstone Solution in Form 990 filings since fiscal year 2024.

Annual compensation details

$0

Chair

2024

Compare the compensation of John Schiffner to:

2024

Other employees at Global Cornerstone Solution

Carolyn Pietrateso

Chair Program Manager

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January 25, 2026:

2024 Global Cornerstone Solution 990 published

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