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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 Water4 Inc John Campbell

John Campbell

Highest compensated employee

CEO of NUMA Sierra Leone at Water4 Inc

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$158,991
2024

Total compensation

John Campbell has been listed as an employee of Water4 Inc in Form 990 filings since fiscal year 2024.

Annual compensation details

$158,991
CEO of NUMA Sierra Leone
2024
$138k org
40 hrs/wk
$22k other
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Total compensation by year

Compare the compensation of John Campbell to:

2024

Other employees at Water4 Inc

Matthew Hangen
President and Chief Executive Officer
$351,636
$265,827 from orgNo related comp$85,809 other
Kacy Lowe
Senior Development Director
$142,382
$131,860 from orgNo related comp$10,522 other
Richard R Webb
Finance Director
$127,143
$117,690 from orgNo related comp$9,453 other
Richard Klopp
Chief Revenue Officer and Secretary
$126,629
$115,885 from orgNo related comp$10,744 other
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Revisions to this profile

January 25, 2026:
2024 Water4 Inc 990 published

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