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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 Armand Hammer Museum of Art and Cultural Center Inc. Mary Osako

Mary Osako

Trustee/directorBoard member

Director at Armand Hammer Museum of Art and Cultural Center Inc.

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$346,838
2024

Total compensation

Mary Osako has been listed as an employee of Armand Hammer Museum of Art and Cultural Center Inc. in Form 990 filings since fiscal year 2020. Total compensation for Mary Osako has increased by 482.5% from 2020 to 2024.

Annual compensation details

$346,838
+22.5%
Director
2024
$296k related
--
$51k other
--
$283,193
-11.4%
Director
2023
$284k related
--
$319,810
-1.2%

Total compensation by year

Compare the compensation of Mary Osako to:

2024

Other employees at Armand Hammer Museum of Art and Cultural Center Inc.

Ann Philbin
Museum Director/Ceo
$792,379
$723,557 from orgNo related comp$68,822 other
Gene D Block
Director
$766,712
$0 from org$697,248 from related$69,464 other
Brett Steele
Director
$467,808
$0 from org$415,411 from related$52,397 other
Cynthia Burlingham
Deputy Dir/Curatorial Affairs
$367,031
$298,559 from orgNo related comp$68,472 other
Michael Harrison
Deputy Dir/Asst Treasurer
$344,609
$307,338 from orgNo related comp$37,271 other
Alfred Yeries
Deputy Dir/External Affairs
$297,251
$268,964 from orgNo related comp$28,287 other
Cornelia Butler
Chief Curator THRU 9/29/23
$243,028
$191,925 from orgNo related comp$51,103 other
Scott Tennent
Chief Communications Officer
$221,100
$184,758 from orgNo related comp$36,342 other
Joanne Tolbert-Wells
Chief of Human Resources and Equity THRU 10/6/23
$190,413
$176,200 from orgNo related comp$14,213 other
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Revisions to this profile

January 25, 2026:
2024 Armand Hammer Museum of Art and Cultural Center Inc. 990 published
January 25, 2026:
2023 Armand Hammer Museum of Art and Cultural Center Inc. 990 published
January 25, 2026:
2022 Armand Hammer Museum of Art and Cultural Center Inc. 990 published

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Director
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$323,537
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