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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 The Stephen & Carla Hahn Foundation Katharine C O'Brien

Katharine C O'Brien

Trustee at The Stephen & Carla Hahn Foundation

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$0

2023

Total compensation

Katharine C O'Brien has been listed as an employee of The Stephen & Carla Hahn Foundation in Form 990 filings since fiscal year 2020.

Annual compensation details

$0

Trustee

2023

$0

Trustee

2022

$0

Trustee

2021

$0

Trustee

2020

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Revisions to this profile

January 25, 2026:

2023 The Stephen & Carla Hahn Foundation 990 published

January 25, 2026:

2022 The Stephen & Carla Hahn Foundation 990 published

January 25, 2026:

2021 The Stephen & Carla Hahn Foundation 990 published

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2023

Other employees at The Stephen & Carla Hahn Foundation

Carla Brasseur Hahn

Trustee

$45,000

$45,000 —No other comp

Brandon C O'Brien

Trustee

$0

Other people named Katharine C O'Brien

2023

Katharine O'Brien

Kentfield Schools Foundation

Katharine O'Brien

PTA California Congress of Parents Teachers & Students Inc. 4162 Kentfield

Katharine O'Brien

Ross Valley Nursery School