Compensation 990
OrganizationsEmployeesBoard MembersGrantsContractorsTop RankingsPricing

Stay updated on 990 organization compensation

© Civic Register LLC

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.

About•Report a discrepancy•Your privacy choices
Employees Planetary Science Institute Thomas H Prettyman

Thomas H Prettyman

Highest compensated employee

Senior Scientist at Planetary Science Institute

Fiscal year ended September 30, 2021. Published on January 25, 2026.

$188,372
2021

Total compensation

Thomas H Prettyman has been listed as an employee of Planetary Science Institute in Form 990 filings since fiscal year 2018. Total compensation for Thomas H Prettyman has decreased by 4% from 2018 to 2021.

Annual compensation details

$188,372
+0.2%
Senior Scientist
2021
$154k
40 hrs/wk
$35k
--
$187,978
-0.3%
Senior Scientist
2020
$154k
40 hrs/wk
$35k
--
$188,604
-3.9%
Senior Scientist
2019
$149k
40 hrs/wk
$41k
--
$196,232
Senior Scientist
2018
$152k
40 hrs/wk
$45k
--

Total compensation by year

Compare the compensation of Thomas H Prettyman to:

Revisions to this profile

January 25, 2026:
2021 Planetary Science Institute 990 published
January 24, 2026:
2020 Planetary Science Institute 990 published
January 24, 2026:
2019 Planetary Science Institute 990 published

Get an email update when compensation for Thomas H Prettyman is updated

Related Jobs

View more jobs
Powered by Talroo
Report a discrepancy →
2021

Other employees at Planetary Science Institute

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
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