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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 Exploratorium Mark Bierman

Mark Bierman

Officer

Executive Director at The Exploratorium

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

$609,010
2024

Total compensation

Mark Bierman has been listed as an employee of The Exploratorium in Form 990 filings since fiscal year 2023. Total compensation for Mark Bierman has increased by 17.9% from 2023 to 2024.

Annual compensation details

$609,010
+17.9%
Executive Director
2024
$584k org
37.5 hrs/wk
$26k other
--
$516,606
Executive Director
2023
$512k org
37.5 hrs/wk
$6k other
--

Total compensation by year

Compare the compensation of Mark Bierman to:

2024

Other employees at The Exploratorium

Phoebe White
Chief Operating OFC (Thru 9/22/23)
$355,135
$344,719 from orgNo related comp$10,416 other
Robert Semper
Chief Learning Officer
$331,164
$314,320 from orgNo related comp$16,844 other
Laura Zander
Chief Financial and Operating Officer
$324,313
$286,820 from orgNo related comp$37,493 other
Blair Winn
Chief Advancement Officer
$280,758
$257,640 from orgNo related comp$23,118 other
Julie Nunn
Chief Brand Officer
$237,780
$216,235 from orgNo related comp$21,545 other
Anne Richardson
Chief Experience Officer
$232,308
$215,636 from orgNo related comp$16,672 other
Jason Pacely
Chief People Officer
$232,173
$209,277 from orgNo related comp$22,896 other
Thomas Rockwell
Chief Creative Officer
$212,111
$183,092 from orgNo related comp$29,019 other
Anne Holmes
Chief Strategy Officer
$200,438
$181,139 from orgNo related comp$19,299 other
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Revisions to this profile

January 25, 2026:
2024 The Exploratorium 990 published
January 25, 2026:
2023 The Exploratorium 990 published

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