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Organizations Planetary Science Institute

Planetary Science Institute

Fiscal year ending 2020. Filed on August 16, 2021.

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 2020 IRS Form 990 filing, Planetary Science Institute, a 501(c)(3) charitable organization, reported compensation for 8 out of 154 total employees. Among the employees shown here, the average compensation is $207,841. The highest compensated employee at Planetary Science Institute is Mark V Sykes with fiscal year 2020 compensation of $243,872.

Revenue, expenses, and employee compensation

Revenue

$15,041,893

Expenses

$15,120,352

Employee compensation

$10,665,379
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Mark V Sykes
Chief Executive Officer and Trustee
$243,872
$208,247 No related comp$35,625
Bruce D Barnett
Chief Financial Officer and Treasurer
$230,163
$189,875 No related comp$40,288
Amanda R Hendrix
Senior Scientist
$220,643
$175,534 No related comp$45,109
Catherine M Weitz
Senior Scientist
$203,963
$168,149 No related comp$35,814
Maurizio A Ienna-Balistreri
Chief Operating Officer and Secretary
$198,803
$156,324 No related comp$42,479
Robert W Gaskell
Senior Scientist
$189,963
$166,938 No related comp$23,025
Thomas H Prettyman
Senior Scientist
$187,978
$153,827 No related comp$34,151
Candice J Hansen-Koharcheck
Senior Scientist
$187,341
$164,802 No related comp$22,539

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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