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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 Barnes Foundation Nina Diefenbach

Nina Diefenbach

Highest compensated employee

Senior Vice President, DEP Director for Advancement at The Barnes Foundation

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

$375,318
2024

Total compensation

Nina Diefenbach has been listed as an employee of The Barnes Foundation in Form 990 filings since at least fiscal year 2016. Total compensation for Nina Diefenbach has increased by 75.7% from 2016 to 2024.

Annual compensation details

$375,318
Senior Vice President, DEP Director for Advancement
2024
$343k
40 hrs/wk
$33k
--
$356,112
+3.6%
Senior Vice President, Deputy Director for Advancement
2022
$343k
40 hrs/wk
$14k
--
$343,855
+6%
Senior Vice President, Deputy Director for Advancement
2021
$333k
40 hrs/wk
$12k
--
$324,535
-5.8%
Senior Vice President, Deputy Director for Advancement
2020
$313k
40 hrs/wk
$13k
--
$344,406
+4.6%
Deputy Director of Advancement
2019
$332k
40 hrs/wk
$14k
--
$329,376
+3.7%
Deputy Director of Advancement
2018
$317k
40 hrs/wk
$13k
--
$317,606
+48.7%
Deputy Director of Advancement
2017
$309k
40 hrs/wk
$10k
--
$213,598
Deputy Director of Advancement
2016
$209k
40 hrs/wk
$5k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2024 The Barnes Foundation 990 published
January 25, 2026:
2022 The Barnes Foundation 990 published
January 25, 2026:
2021 The Barnes Foundation 990 published

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2024

Other employees at The Barnes Foundation

Thomas Collins
Executive Director and President
$600,736
$565,836 No related comp$34,900
Sara Geelan
DEP Director, GEN Counsel, ASST Secretary
$315,076
$284,703 No related comp$30,373
William Cary
Chief Operating Officer
$285,633
$275,830 No related comp$9,803
Nancy Ireson, Ph.D.
DEP Director for Collections and Exhibitions
$252,968
$234,169 No related comp$18,799
Steven Brady
DEP Director for Digital Initiatives and CTO
$250,637
$214,428 No related comp$36,209
Margaret B Zminda Thru 1223
Executive Vice President, CFO and COO, ASST Treasurer
$243,771
$224,358 No related comp$19,413
Sheronda Whitaker
DEP Director for HR, Chief Diversity Officer
$234,481
$226,755 No related comp$7,726
Maryanne Murphy
CFO, ASST Treasurer (BEG 8/23)
$94,524
$88,866 No related comp$5,658

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2024
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$0
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Metropolitan Museum of Art
$266,284