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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 Friends of Mammoth Cave National Park Helen Siewers

Helen Siewers

Executive Director at Friends of Mammoth Cave National Park

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

$0

2017

Total compensation

Helen Siewers has been listed as an employee of Friends of Mammoth Cave National Park in Form 990 filings since fiscal year 2017.

Annual compensation details

$0

Executive Director

2017

Compare the compensation of Helen Siewers to:

2017

Other employees at Friends of Mammoth Cave National Park

Dr Jeanine Huss

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January 24, 2026:

2017 Friends of Mammoth Cave National Park 990 published

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