EIN 30-0833462

Thirty Meter Telescope International Observatory (TIO)

IRS 501(c) type
501(c)(3)
Num. employees
57
Year formed
2014
Most recent tax filings
2022-12-01
Description
The Thirty Meter Telescope International Observatory (TIO) seeks to advance scientific knowledge while fostering connection among the partner countries and their citizens, who represent over half the world’s population.
Also known as...
TMT International Observatory LLC; Edward Stone MBR
Total revenues
$58,918,459
2022
Total expenses
$15,439,309
2022
Total assets
$225,068,605
2022
Num. employees
57
2022

Grants made by TIO

GranteeGrant descriptionAmount
University of Hawaii FoundationPhysics Equipment at HCC$33,140
Kauai Economic Development BoardHtai Hi Workforce Support$10,000
Ohana Kilo HokuOkh General Fund$10,000
...and 1 more grant made

Who funds Thirty Meter Telescope International Observatory (TIO)

Grants from foundations and other nonprofits
GrantmakerDescriptionAmount
Mithun Family FoundationGeneral Fund$500

Personnel at TIO

NameTitleCompensation
Robert KirshnerExecutive Director$666,513
Eric HansenDeputy Project Manager / Telescope Department Head / Opto Mechanical Engineer / Telescope Opitcs Group Leader$275,006
Fengchuan LiuDeputy Project Manager$333,234
Ravinder BhatiaAssociate Project Manager$256,365
Edward StonePast Executive Director$150,194
...and 3 more key personnel

Financials for TIO

RevenuesFYE 12/2022
Total grants, contributions, etc.$58,338,746
Program services$0
Investment income and dividends$442,569
Tax-exempt bond proceeds$0
Royalty revenue$0
Net rental income$0
Net gain from sale of non-inventory assets$0
Net income from fundraising events$0
Net income from gaming activities$0
Net income from sales of inventory$0
Miscellaneous revenues$137,144
Total revenues$58,918,459

Form 990s for TIO

Fiscal year endingDate received by IRSFormPDF link
2022-122023-11-10990View PDF
2021-122022-11-10990View PDF
2020-122021-11-11990View PDF
2019-122021-04-02990View PDF
2018-122020-06-10990View PDF
...and 4 more Form 990s

Organizations like TIO

OrganizationLocationRevenue
W M Keck ObservatoryKamuela, HI$28,518,344
MRIGlobalKansas City, MO$128,594,894
Tall Timbers ResearchTallahassee, FL$17,330,855
Dauphin Island Sea Lab (DISL)Dauphin Island, AL$25,007,906
Puerto Rico Science Technology and Research TrustSan Juan, PR$38,249,802
Associated UniversitiesWashington, DC$122,153,645
Population CouncilNew York, NY$81,596,015
Illustrative MathematicsOro Valley, AZ$21,282,852
Institute for Advanced Study (IAS)Princeton, NJ$127,450,651
The Marine Mammal CenterSausalito, CA$22,610,379
Data update history
January 3, 2024
Posted financials
Added Form 990 for fiscal year 2022
January 2, 2024
Updated personnel
Identified 3 new personnel
December 25, 2023
Used new vendors
Identified 1 new vendor, including
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
July 8, 2023
Updated personnel
Identified 3 new personnel
Nonprofit Types
Social advocacy organizationsResearch centersCharities
Issues
Science and technology
Characteristics
Conducts researchLobbyingOperates internationallyTax deductible donations
General information
Address
100 W Walnut St Suite 300
Pasadena, CA 91124
Metro area
Los Angeles-Long Beach-Anaheim, CA
County
Los Angeles County, CA
Website URL
tmt.org/ 
Phone
(808) 227-2350
IRS details
EIN
30-0833462
Fiscal year end
December
Taxreturn type
Form 990
Year formed
2014
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
U00: Science and Technology Research: General
NAICS code, primary
813312: Environment, Conservation, and Wildlife Organizations
Parent/child status
Independent
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