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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 Mainspring Foundation Fiona Arnold

Fiona Arnold

President and Director at Mainspring Foundation

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

$0
2024

Total compensation

Fiona Arnold has been listed as an employee of Mainspring Foundation in Form 990 filings since fiscal year 2023.

Annual compensation details

$0
President and Director
2024
$0
President and Director
2023

Compare the compensation of Fiona Arnold to:

2024

Other employees at Mainspring Foundation

Andrew Schlauch
Treasurer and Secretary and Director
$0
Shalini Sharma
Director
$0
William Arnold
Director
$0
Haroun Cowans
Director
$0
Carrie Shiff
Director
$0
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Revisions to this profile

January 25, 2026:
2024 Mainspring Foundation 990 published
January 25, 2026:
2023 Mainspring Foundation 990 published

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