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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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Employees TMT International Observatory LLC Gary Sanders

Gary Sanders

Officer

Project Manager at TMT International Observatory LLC

Fiscal year ended December 31, 2020. Published on January 24, 2026.

$376,746
2020

Total compensation

Gary Sanders has been listed as an employee of TMT International Observatory LLC in Form 990 filings since at least fiscal year 2016. Total compensation for Gary Sanders has increased by 9.7% from 2016 to 2020.

Annual compensation details

$376,746
+1.8%
Project Manager
2020
$333k org
40 hrs/wk
$44k other
--
$370,033
+2.7%
Project Manager
2019
$327k org
40 hrs/wk
$44k other
--

Total compensation by year

Compare the compensation of Gary Sanders to:

2020

Other employees at TMT International Observatory LLC

Fengchuan Liu
Deputy Project Manager
$338,356
$265,401 from orgNo related comp$72,955 other
Christophe Dumas
Observatory Scientist
$324,637
$273,745 from orgNo related comp$50,892 other
Ravinder Bhatia
Associate Project Manager
$323,244
$256,026 from orgNo related comp$67,218 other
Mark Sirota
Telescope Ctrls Group Leader
$313,822
$246,724 from orgNo related comp$67,098 other
Eric Hansen
OPTO Mechanical Engineer
$311,725
$237,020 from orgNo related comp$74,705 other
Benjamin Gallagher
M1 Segment Lead Engineer
$289,156
$233,339 from orgNo related comp$55,817 other
Edward Stone
Executive Director
$276,708
$244,346 from orgNo related comp$32,362 other
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Revisions to this profile

January 24, 2026:
2020 TMT International Observatory LLC 990 published
January 24, 2026:
2019 TMT International Observatory LLC 990 published
January 24, 2026:
2018 TMT International Observatory LLC 990 published

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