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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 Cosmos Club

Cosmos Club

Fiscal year ending 2024. Filed on May 14, 2025.

2121 Massachusetts Avenue NW
Washington, District of Columbia 20008

Cosmos Club (EIN: 53-0052500) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Cosmos Club, a 501(c)(7) social or recreation club, reported compensation for 7 out of 162 total employees. Among the employees shown here, the average compensation is $255,670. The highest compensated employee at Cosmos Club is Mitchell Platt with fiscal year 2024 compensation of $580,500.

Revenue, expenses, and employee compensation

Revenue

$17,668,671

Expenses

$17,431,517

Employee compensation

$11,433,579
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Mitchell Platt
General Manager
$580,500
$526,308 No related comp$54,192
Christopher Buynak
Controller
$250,747
$211,365 No related comp$39,382
William Rogers
Executive Chef
$230,912
$196,619 No related comp$34,293
Sandra McDowell
Assistant General Manager
$206,626
$174,465 No related comp$32,161
Christopher Line
Building Engineer
$189,720
$149,096 No related comp$40,624
Eun Yim
Director of FOOD and Beverages
$167,313
$139,823 No related comp$27,490
Carolyn Ruffner
Human Resources Director
$163,875
$134,219 No related comp$29,656

Benchmark Employee Compensation

Non-Employee Board Members

Abigail Rian Evans
Board Member 2023
Arthur E Wise
President 2024, Vice President 2023
Clarion E Johnson
Board Member 2023
D Elizabeth Crompton
Board Member 2023
Douglas B Kamerow
Board Member 2024
E William Colglazier
Board Member 2023 - 2024
Kevin P Sheehan
Treasurer 2024, ASST Treasurer 2023
Lee Ann Potter
Board Member 2024
Mark E Greenwold
Board Member 2023 - 2024
Michael N Pocalyko
PAST President 2024, President 2023
Miriam McIntire Nisbet
Secretary 2023 - 2024
Paul A Eckert
Board Member 2023 - 2024

Mission Statement

THE ORGANIZATION'S MISSION IS TO ADVANCE AND ENHANCE THE INTERESTS AND PUBLIC EXPRESSION OF ITS MEMBERS IN SCIENCE, LITERATURE, AND ART; THEIR MUTUAL IMPROVEMENT BY SOCIAL INTERACTION; AND THE MAINTENANCE OF A LIBRARY AND OTHER PERMANENT COLLECTIONS. A COMMON THEME AMONG THE MEMBERS OF THE COSMOS CLUB IS THEIR RELATION WITH SCHOLARSHIP, CREATIVE GENIUS, OR INTELLECTUAL DISTINCTION.

Revisions to this organization profile

May 14, 2025:
2024 Cosmos Club 990 filed
February 20, 2024:
2023 Cosmos Club 990 filed
May 11, 2023:
2022 Cosmos Club 990 filed

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