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Organizations Science & Technology Research TMT International Observatory LLC

TMT International Observatory LLC

Fiscal year ending 2022. Filed on November 10, 2023.

100 W Walnut Street Suite 300
Pasadena, California 91124

TMT International Observatory LLC (EIN: 30-0833462) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2022 IRS Form 990 filing, TMT International Observatory LLC, a 501(c)(3) charitable organization, reported compensation for 9 out of 57 total employees. Among the employees shown here, the average compensation is $358,277. The highest compensated employee at TMT International Observatory LLC is Robert Kirshner with fiscal year 2022 compensation of $702,554.

Revenue, expenses, and employee compensation

Revenue

$58,918,459

Expenses

$15,439,309

Employee compensation

$5,525,396
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Robert Kirshner
EXEC Director - Start DATE 5/22
$702,554
$666,513 No related comp$36,041
Fengchuan Liu
Project Manager
$410,174
$333,234 No related comp$76,940
Eric Hansen
Deputy Project Manager
$357,586
$275,006 No related comp$82,580
Jose Teran
Facilities Department HEAD
$343,331
$270,865 No related comp$72,466
Christophe Dumas
Observatory Scientist
$334,132
$282,086 No related comp$52,046
Benjamin Gallagher
Telescope Optics Group Leader
$316,645
$254,798 No related comp$61,847
Corinne Boyer
Adaptive Optics Group Leader
$308,889
$241,694 No related comp$67,195
Kyle Kinoshita
Telescope Struct Group Leader
$283,831
$229,275 No related comp$54,556
Edward Stone
EXEC Director - END DATE 6/22
$167,349
$150,194 No related comp$17,155

Benchmark Employee Compensation

Non-Employee Board Members

An Ramaprakash
Governor
Bruce MacIntosh
Governor - Start DATE 9/22
Diana Jergovic
Secretary/Governor/Act Treas.
Donald Brooks
Governor
Eswar Reddy
Governor
Feng Yuan
Governor
Gregg Goldman
Governor - END DATE 7/22
Henry Yang
Governor
Jonas Zmuidzinas
Governor
Kim Venn
Governor - END DATE 11/22
Luc Simard
Governor
Michael Bolte
Governor

Contractors

California Institute of Technology
Scientific
$4,565,214
Coherent Inc
Engineering
$3,191,022
Bcf Solutions Inc.
Professional
$1,881,704
Cilas
Engineering
$795,934
Watanabe Ing LLP
Legal
$758,430

Mission Statement

SEE SCHEDULE O

Revisions to this organization profile

November 17, 2025:
2024 TMT International Observatory LLC 990 filed
November 13, 2024:
2023 TMT International Observatory LLC 990 filed
November 10, 2023:
2022 TMT International Observatory LLC 990 filed

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