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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 Great Minds Learning Center Tammy Mattonen

Tammy Mattonen

Treasurer at Great Minds Learning Center

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

$0

2020

Total compensation

Tammy Mattonen has been listed as an employee of Great Minds Learning Center in Form 990 filings since fiscal year 2020.

Annual compensation details

$0

Treasurer

2020

Compare the compensation of Tammy Mattonen to:

2020

Other employees at Great Minds Learning Center

Executive Director

$43,520 from org——

Mary Helen Haarkau

Natalie Gustafson

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January 24, 2026:

2020 Great Minds Learning Center 990 published

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