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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 Open Society Institute Mark Malloch-Brown

Mark Malloch-Brown

Trustee and President (Thru 3/31/2024) at Open Society Institute

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

$322,519
2024

Total compensation

Mark Malloch-Brown has been listed as an employee of Open Society Institute in Form 990 filings since fiscal year 2021. Total compensation for Mark Malloch-Brown has increased by 19.2% from 2021 to 2024.

Annual compensation details

$322,519
-45.9%
Trustee and President (Thru 3/31/2024)
2024
$323k
10 hrs/wk
$595,701
+10.7%
President and Trustee
2023
$596k
10 hrs/wk
$538,335
+99%
President and Trustee
2022
$539k
10 hrs/wk
$270,523
President and Trustee
2021
$263k
10 hrs/wk
$9k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2024 Open Society Institute 990 published
January 25, 2026:
2023 Open Society Institute 990 published
January 25, 2026:
2022 Open Society Institute 990 published

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2024

Other employees at Open Society Institute

Binaifer Nowrojee
President (AS of 4/1/2024)
$1,058,975
$881,219 —$177,756
Leonard Benardo
Senior Vice President
$954,395
$773,706 —$180,689
Samantha Stokes-Baydur
Chief People and Culture Officer
$830,744
$705,100 —$125,644
Laura Silber
Trustee (AS of 12/19/2024)
$757,140
$602,522 —$154,618
Debbie Fine
GEN Counsel, Secretary (AS of 1/17/24)
$601,864
$530,457 —$71,407
Maija Arbolino
Chief Financial Officer and Treasurer
$575,896
$445,562 —$130,334
Nicole Wilett
Chief of Staff (Thru 1/31/2024)
$394,319
$389,484 —$4,835
Catherine Livingston
GEN Counsel, Secretary (Thru 1/17/24)
$63,524
$53,916 —$9,608
Smita Singh
Chief Strategy Officer (Former)
$24,992
$24,992 —No other comp

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