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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 Science & Technology Research American Association of Variable Star Ob

American Association of Variable Star Ob

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

185 Alewife Brook Parkway 410
Cambridge, Massachusetts 02138

American Association of Variable Star Ob (EIN: 04-2164402) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, American Association of Variable Star Ob, a 501(c)(3) charitable organization, reported compensation for 1 out of 7 total employees. Among the employees shown here, the average compensation is $201,795. The highest compensated employee at American Association of Variable Star Ob is Dr Brian Kloppenborg with fiscal year 2024 compensation of $201,795.

Revenue, expenses, and employee compensation

Revenue

$1,074,729

Expenses

$1,216,226

Employee compensation

$754,418
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Dr Brian Kloppenborg
Executive Director
$201,795
$182,132 No related comp$19,663

Benchmark Employee Compensation

Non-Employee Board Members

Arne Hendon
Director
David Cowall
Former President
Dennis Conti
Second Vice President
Diogo Teixeira
Director
Eric Hintz
Director
Kris Larsen
Secretary
Mark Munkacsy
Director
Matt Craig
Director
Pat Boyce
Director
Peter Bealo
Director
Richard Berry
President
Robert Stephens
Treasurer

Mission Statement

THE AAVSO PROVIDES AMATEUR ASTRONOMERS AND STUDENTS THE OPPORTUNITY TO MAKE REAL AND DIRECT CONTRIBUTIONS TO ASTRONOMY. IN PROGRAMS THEY COMPLETE AT THEIR OWN PACE, WE TEACH THEM HOW TO MAKE OBSERVATIONS AND HOW TO ANALYZE ASTRONOMICAL DATA, AND WE OFFER THEM THE OPPORTUNITY TO PARTICIPATE IN OBSERVING CAMPAIGNS DESIGNED TO PRODUCE PEER-REVIEWED PUBLISHED PAPERS.

Revisions to this organization profile

August 12, 2025:
2024 American Association of Variable Star Ob 990 filed
August 8, 2024:
2023 American Association of Variable Star Ob 990 filed
August 8, 2023:
2022 American Association of Variable Star Ob 990 filed

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