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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 Lowell Observatory

Lowell Observatory

Fiscal year ending 2024. Filed on August 13, 2025.

1400 W Mars Hill Road
Flagstaff, Arizona 86001

Lowell Observatory (EIN: 86-0098918) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Lowell Observatory, a 501(c)(3) charitable organization, reported compensation for 13 out of 183 total employees. Among the employees shown here, the average compensation is $186,266. The highest compensated employee at Lowell Observatory is Hall Jeffrey with fiscal year 2024 compensation of $236,831.

Revenue, expenses, and employee compensation

Revenue

$11,946,368

Expenses

$19,482,906

Employee compensation

$11,647,319
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Hall Jeffrey
Executive Director
$236,831
$201,538 No related comp$35,293
Bosh Amanda
Executive Director and Chief Operating Officer
$216,305
$182,918 No related comp$33,387
Currie Leslie
Chief Philanthropy Officer
$204,171
$188,531 No related comp$15,640
Hunter Deidre
Astronomer
$203,090
$179,553 No related comp$23,537
Massey Philip
Astronomer
$201,797
$184,820 No related comp$16,977
Levine Stephen
Education Director
$201,006
$180,027 No related comp$20,979
Labruzzo Anne
Chief Financial Officer
$198,721
$176,555 No related comp$22,166
Van Belle Gerard T
Director of Science
$196,055
$163,586 No related comp$32,469
West Michael
Astronomer
$192,667
$180,726 No related comp$11,941
Kuehn Kyler
Technology Director
$187,047
$156,865 No related comp$30,182
Grundy William
Astronomer
$185,914
$153,632 No related comp$32,282
Prato Lisa A
Astronomer
$179,173
$158,354 No related comp$20,819

Benchmark Employee Compensation

Non-Employee Board Members

No board members were reported during this fiscal year.

Contractors

Building & Engineering Contractors South
Construction
$13,120,059
Kidzibits Inc.
Exhibit Design and Fabrication
$940,218
Universal Services Associates
Exhibit Design and Fabrication
$777,828
Dillon Works Inc.
Exhibit Design and Fabrication
$678,200
Bbi Engineering Inc.
Exhibit Design and Fabrication
$545,649

Mission Statement

THE MISSION OF LOWELL OBSERVATORY IS TO PURSUE THE STUDY OF ASTRONOMY, ESPECIALLY THE STUDY OF OUR SOLAR SYSTEM AND ITS EVOLUTION; TO CONDUCT PURE RESEARCH IN ASTRONOMICAL PHENOMENA; AND TO MAINTAIN QUALITY PUBLIC EDUCATION AND OUTREACH PROGRAMS TO BRING THE RESULTS OF ASTRONOMICAL RESEARCH TO THE PUBLIC.

Revisions to this organization profile

August 13, 2025:
2024 Lowell Observatory 990 filed
August 16, 2024:
2023 Lowell Observatory 990 filed
August 17, 2023:
2022 Lowell Observatory 990 filed

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Lowell Observatory Foundation
Flagstaff, Arizona