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Organizations Planetary Science Institute

Planetary Science Institute

Fiscal year ending 2021. Filed on August 12, 2022.

1700 E Ft Lowell Rd No 106
Tucson, Arizona 85719

Planetary Science Institute (EIN: 33-0175263) has filed an IRS Form 990 since fiscal year 2017. In its fiscal year 2021 IRS Form 990 filing, Planetary Science Institute, a 501(c)(3) charitable organization, reported compensation for 8 out of 164 total employees. Among the employees shown here, the average compensation is $206,773. The highest compensated employee at Planetary Science Institute is Mark V Sykes with fiscal year 2021 compensation of $249,789.

Revenue, expenses, and employee compensation

Revenue

$17,303,405

Expenses

$15,454,007

Employee compensation

$11,386,221
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Mark V Sykes
Chief Executive Officer and Trustee
$249,789
$213,540 No related comp$36,249
Bruce D Barnett
Chief Financial Officer and Treasurer
$233,609
$192,594 No related comp$41,015
Amanda R Hendrix
Senior Scientist
$222,345
$176,593 No related comp$45,752
Catherine M Weitz
Senior Scientist
$201,928
$166,112 No related comp$35,816
Maurizio A Ienna-Balistreri
Chief Operating Officer and Secretary
$201,259
$158,042 No related comp$43,217
Thomas H Prettyman
Senior Scientist
$188,372
$153,938 No related comp$34,434
Candice J Hansen-Koharcheck
Senior Scientist
$184,115
$161,776 No related comp$22,339
Melinda Dyar
Senior Scientist
$172,767
$166,677 No related comp$6,090

Benchmark Employee Compensation

Non-Employee Board Members

Madelyn Creedon
Vice Chair and Trustee
Scott Fouse
Board Chair and Trustee
Tim Hunter
Trustee
William Craig
Trustee
William Hartmann
Trustee

Mission Statement

The Planetary Science Institute studies the origin, characteristics, and evolution of planetary systems, including our solar system, Earth itself, and planetary systems around other stars. We convey the resulting knowledge to the scientific community, and to the public at large to promote science education and science literacy. We further use this knowledge to advance human activity in space and shape the future of robotic exploration of the solar system.

Revisions to this organization profile

August 14, 2025:
2024 Planetary Science Institute 990 filed
August 13, 2024:
2023 Planetary Science Institute 990 filed
August 14, 2023:
2022 Planetary Science Institute 990 filed

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