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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 300 Stewart Avenue Corporation

300 Stewart Avenue Corporation

Fiscal year ending 2024. Filed on November 12, 2025.

300 Stewart Avenue
Las Vegas, Nevada 89101

300 Stewart Avenue Corporation (EIN: 26-0541486), also known as The Mob Museum, has filed an IRS Form 990 since fiscal year 2017. In its fiscal year 2024 IRS Form 990 filing, 300 Stewart Avenue Corporation, a 501(c)(3) charitable organization, reported compensation for 6 out of 278 total employees. Among the employees shown here, the average compensation is $270,976. The highest compensated employee at 300 Stewart Avenue Corporation is Jonathan Ullman with fiscal year 2024 compensation of $577,224.

Revenue, expenses, and employee compensation

Revenue

$1,607,569

Expenses

$5,054,568

Employee compensation

$4,757,340
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Jonathan Ullman
President and Chief Executive Officer
$577,224
$556,847 No related comp$20,377
Mark Achenbach
Chief Operating Officer
$227,818
$221,785 No related comp$6,033
Ashley Miller
Vice President of Marketing, PR and Sales
$220,685
$211,561 No related comp$9,124
Geoff Schumacher
Vice President of Exhibits and Programs
$219,748
$208,787 No related comp$10,961
Lisa Belair
Vice President of Finance and Business Analytics
$192,574
$185,995 No related comp$6,579
Ryan Markus
SR Director, Technology and Facilities
$187,806
$174,474 No related comp$13,332

Benchmark Employee Compensation

Non-Employee Board Members

Audry J Batiste
Board Secretary
Brandon Doll
Board Member
Christopher L Kaempfer
Board Member
Claytee White
Board Member
Craig Galati
Board Member
Edward J Quirk
Board Member
Edward Koijane
Board Treasurer
Ellen Knowlton
Board Member
Former Mayor Oscar B Goodman
Board Member
James Germain
Board Member
Jeff Silver
Board Member
John H Mowbray
Board Member

Mission Statement

SEE SCHEDULE OTO ADVANCE THE PUBLIC UNDERSTANDING OF ORGANIZED CRIME'S HISTORY AND IMPACT ON AMERICAN SOCIETY.KEY TENETS OF THIS MISSION INCLUDE: OPERATING AS A FINANCIALLY INDEPENDENT AND SELF-SUSTAINING ORGANIZATION THAT CONTRIBUTES TO THE GROWTH AND VIBRANCY OF DOWNTOWN LAS VEGAS. PROVIDING ACCURATE STORYTELLING THAT PORTRAYS THE ROOTS AND EVOLUTION OF ORGANIZED CRIME IN AMERICA, IN AN AUTHENTIC AND ENTERTAINING MANNER. CREATING DYNAMIC AND INTERACTIVE EXPERIENCES THAT EXPLORE THE CRIMINAL JUSTICE SYSTEM'S EFFORTS AND INNOVATIONS IN THE FIGHT AGAINST ORGANIZED CRIME. ENGAGING DIVERSE AUDIENCES IN DISCOURSE ABOUT SOCIAL CONDITIONS, INDIVIDUAL CHOICES AND CONSEQUENCES, CONTEMPORARY ISSUES, AND OTHER TOPICS THAT RELATE TO ORGANIZED CRIME. PRESERVING ARTIFACTS, OBJECTS, AND DIGITAL RECORDS THAT SERVE AS EDUCATIONAL RESOURCES, CONNECTING BOTH THE ACADEMIC COMMUNITY AND THE GENERAL PUBLIC TO PEOPLE AND EVENTS OF HISTORICAL SIGNIFICANCE. HONORING THE ACCOMPLISHMENTS

Revisions to this organization profile

November 12, 2025:
2024 300 Stewart Avenue Corporation 990 filed
November 11, 2024:
2023 300 Stewart Avenue Corporation 990 filed
November 9, 2023:
2022 300 Stewart Avenue Corporation 990 filed

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