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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 Childhood Arthritis and Rheumatology Research Alliance Mathieu Nelessen

Mathieu Nelessen

Key employee

Chief Executive Officer at Childhood Arthritis and Rheumatology Research Alliance

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

$377,109

2024

Total compensation

Mathieu Nelessen has been listed as an employee of Childhood Arthritis and Rheumatology Research Alliance in Form 990 filings since fiscal year 2023. Total compensation for Mathieu Nelessen has increased by 3.8% from 2023 to 2024.