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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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Organizations Arts, Culture & Humanities Eleutherian Mills-Hagley Foundation Inc

Eleutherian Mills-Hagley Foundation Inc

Fiscal year ending 2024. Filed on October 29, 2025.

PO Box 3630
Wilmington, Delaware 19807

Eleutherian Mills-Hagley Foundation Inc (EIN: 51-0070531), also known as Hagley Museum and Library, has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Eleutherian Mills-Hagley Foundation Inc, a 501(c)(3) charitable organization, reported compensation for 8 out of 183 total employees. Among the employees shown here, the average compensation is $114,177. The highest compensated employee at Eleutherian Mills-Hagley Foundation Inc is Jill MacKenzie with fiscal year 2024 compensation of $246,290.

Revenue, expenses, and employee compensation

Revenue

$13,792,052

Expenses

$13,015,639

Employee compensation

$7,736,831
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Jill MacKenzie
Executive Director
$246,290
$222,677 No related comp$23,613
Erik Rau
Director, Library Services
$173,282
$154,302 No related comp$18,980
Roger Horowitz
Chbts Director
$131,215
$103,720 No related comp$27,495
Michael Adams
Director, Museum and Audience Engagement
$117,198
$102,493 No related comp$14,705
Jacob A Jessup
CFO; Asst Treasurer (From 7/2024)
$81,737
$78,274 No related comp$3,463
Karen Cronin
CFO; Asst Treasurer (To 6/2024)
$77,741
$67,821 No related comp$9,920
Victoria Gonzalez
Assistant Secretary (From 2/2024)
$57,019
$51,079 No related comp$5,940
Marjorie P Kelly
Assistant Secretary (To 5/2024)
$28,931
$20,916 No related comp$8,015

Benchmark Employee Compensation

Non-Employee Board Members

Alexa A Dembek, Ph.D.
Trustee
Ann C Rose
Vice President
Augustus I du Pont
Treasurer
Blaine T Phillips
Trustee Emeritus
Charles M Elson, Ph.D.
Trustee
Gregory Friedman
Trustee
Henry B du Pont IV
President
John S Wellons
Secretary
Kathleen Furey McDonough
Trustee
Keith M Walter
Trustee
M Gary Talley
Trustee
Margaret Bw Graham, Ph.D.
Trustee

Contractors

Fireworks By Grucci Inc
Fireworks
$161,429
Robert Peter Gerber
Construction
$159,646
Service Unlimited Inc
HVAC
$144,976
Keystone Digital Imaging
Technology Counsulting
$114,880

Mission Statement

Hagley Museum and Library seeks to inspire all people to be innovative in their own lives through investigation and exploration of our historical collections, the original DuPont powder yard, and online resources.

Revisions to this organization profile

October 29, 2025:
2024 Eleutherian Mills-Hagley Foundation Inc 990 filed
November 5, 2024:
2023 Eleutherian Mills-Hagley Foundation Inc 990 filed
October 26, 2023:
2022 Eleutherian Mills-Hagley Foundation Inc 990 filed

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