John Mark Zeberkiewicz

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

2024

Total compensation

John Mark Zeberkiewicz has been listed as an employee of William E Proudford Sickle Cell Fund Inc. in Form 990 filings since fiscal year 2019.

Director

2024

Director

2022

Director

2021

Director

2020

Director

2019

January 25, 2026:

2024 William E Proudford Sickle Cell Fund Inc. 990 published

January 25, 2026:

2023 William E Proudford Sickle Cell Fund Inc. 990 published

January 25, 2026:

2022 William E Proudford Sickle Cell Fund Inc. 990 published

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