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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 James Johnson

James Johnson

Highest compensated employee

Telescope CTRL Group Leader at TMT International Observatory LLC

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$318,598
2023

Total compensation

James Johnson has been listed as an employee of TMT International Observatory LLC in Form 990 filings since fiscal year 2023.

Annual compensation details

$318,598
Telescope CTRL Group Leader
2023
$258k org
40 hrs/wk
$61k other
--

Total compensation by year

Compare the compensation of James Johnson to:

2023

Other employees at TMT International Observatory LLC

Robert Kirshner
Executive Director
$858,538
$803,719 from orgNo related comp$54,819 other
Fengchuan Liu
Project Manager
$430,449
$350,329 from orgNo related comp$80,120 other
Eric Hansen
Deputy Project Manager
$386,671
$300,346 from orgNo related comp$86,325 other
Jose Teran
Facilities Department HEAD
$359,686
$282,548 from orgNo related comp$77,138 other
Christophe Dumas
Observatory Scientist
$351,696
$292,384 from orgNo related comp$59,312 other
Benjamin Gallagher
Telescope Optics Group Leader
$330,347
$269,178 from orgNo related comp$61,169 other
Corinne Boyer
Adaptive Optics Group Leader
$324,473
$252,976 from orgNo related comp$71,497 other
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Revisions to this profile

January 25, 2026:
2023 TMT International Observatory LLC 990 published

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