William Mask

Fiscal year ended December 31, 2021. Published on January 25, 2026.

2021

Total compensation

William Mask has been listed as an employee of Minnesota Guitar Society in Form 990 filings since fiscal year 2019.

Annual compensation details

Treasurer

2021

Treasurer

2020

Treasurer

2019

2021

Other employees at Minnesota Guitar Society

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Other people named William Mask

2021

Business Meets Chess & Kids Inc.

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Revisions to this profile

January 25, 2026:

2021 Minnesota Guitar Society 990 published

January 24, 2026:

2020 Minnesota Guitar Society 990 published

January 24, 2026:

2019 Minnesota Guitar Society 990 published

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