John Siff

Director at International Concussion Society

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

2024

Total compensation

John Siff has been listed as an employee of International Concussion Society in Form 990 filings since fiscal year 2019.

Annual compensation details

Director

2024

Director

2023

Director

2022

Director

2021

2024

Other employees at International Concussion Society

Ken Shubin Stein, M.D., Mph, Cfa

Chair

David Dodick M.D. Fahs

Director

John Leddy M.D. Facsm, Facp

President

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Other people named John Siff

2024

Employee

Mrs John F Siff

The Casino

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Revisions to this profile

January 25, 2026:

2024 International Concussion Society 990 published

January 25, 2026:

2023 International Concussion Society 990 published

January 25, 2026:

2022 International Concussion Society 990 published

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