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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 Winthrop Improvement & Historical Association David Mazzuchelli

David Mazzuchelli

Director at Winthrop Improvement & Historical Association

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$0

2018

Total compensation

David Mazzuchelli has been listed as an employee of Winthrop Improvement & Historical Association in Form 990 filings since fiscal year 2017.

Annual compensation details

$0

Director

2018

$0

Director

2017

Compare the compensation of David Mazzuchelli to:

2018

Other employees at Winthrop Improvement & Historical Association

George Rainville

Frank Costantino

Alan Giangregorio

Director Emeritus

Diane Blumenthal

Second Vice President

Stephanie Honan

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Revisions to this profile

January 24, 2026:

2018 Winthrop Improvement & Historical Association 990 published

January 24, 2026:

2017 Winthrop Improvement & Historical Association 990 published

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Other people named David Mazzuchelli

2018

David Mazzuchelli

American Legion Winthrop Post 146 Inc