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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 Webb Institute Matthew McMahon

Matthew McMahon

Highest compensated employee

Professor at Webb Institute

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$166,027

2024

Total compensation

Matthew McMahon has been listed as an employee of Webb Institute in Form 990 filings since fiscal year 2024.

Annual compensation details

$166,027

Professor

2024

$158k org

35 hrs/wk

$9k other

--

Total compensation by year

Compare the compensation of Matthew McMahon to:

2024

Other employees at Webb Institute

Mark Martecchini

$245,000 from orgNo related comp$45,459 other

Development Director

$173,303 from orgNo related comp$47,557 other

$205,000 from orgNo related comp$14,893 other

$147,371 from orgNo related comp$45,742 other

$147,640 from orgNo related comp$25,220 other

$156,925 from orgNo related comp$12,130 other

$123,071 from orgNo related comp$44,041 other

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Revisions to this profile

January 25, 2026:

2024 Webb Institute 990 published

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