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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 Helen & William Mazer Foundation Leonard Berkowitz

Leonard Berkowitz

Treasurer at Helen & William Mazer Foundation

Fiscal year ended September 30, 2025. Published on January 25, 2026.

$0
2025

Total compensation

Leonard Berkowitz has been listed as an employee of Helen & William Mazer Foundation in Form 990 filings since fiscal year 2020.

Annual compensation details

$0
Treasurer
2025
$0
Treasurer
2023
$0
Treasurer
2022
$0
Treasurer
2021

Compare the compensation of Leonard Berkowitz to:

2025

Other employees at Helen & William Mazer Foundation

Steven Bercu
Director
$20,851
$9,500 from org—$11,351 other
David Berkowitz
Director
$0
Linda Berkowitz
President
$0
Alan Berkowitz
Director
$0
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Revisions to this profile

January 25, 2026:
2025 Helen & William Mazer Foundation 990 published
January 25, 2026:
2023 Helen & William Mazer Foundation 990 published
January 25, 2026:
2022 Helen & William Mazer Foundation 990 published

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$0
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2020

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