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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 Gmto Corporation Frank Groark

Frank Groark

Highest compensated employee

Deputy OPT and Optical Metrology MGR at Gmto Corporation

Fiscal year ended June 30, 2023. Published on January 25, 2026.

$318,151
2023

Total compensation

Frank Groark has been listed as an employee of Gmto Corporation in Form 990 filings since fiscal year 2019. Total compensation for Frank Groark has increased by 1.2% from 2019 to 2023.

Annual compensation details

$318,151
Deputy OPT and Optical Metrology MGR
2023
$239k org
40 hrs/wk
$80k other
--
$314,342
Optics and Optical Metrology Mgr
2019
$240k org
40 hrs/wk
$75k other
--

Total compensation by year

Compare the compensation of Frank Groark to:

2023

Other employees at Gmto Corporation

Robert Shelton
President
$573,295
$494,519 from orgNo related comp$78,776 other
Rebecca Bernstein
Project Scientist
$399,697
$337,161 from orgNo related comp$62,536 other
James Fanson
Project Manager (Thru 03/2023)
$397,818
$327,111 from orgNo related comp$70,707 other
Alan Gordon
Treasurer / CFO / Vice President, Business OPS
$346,452
$265,862 from orgNo related comp$80,590 other
William Burgett
Interim Project Manager
$328,325
$263,610 from orgNo related comp$64,715 other
Glenn Brossus
Interim Deputy Project Manager
$322,357
$239,113 from orgNo related comp$83,244 other
Rick Demers
Wavefront Sensing and CTRL Manager
$302,994
$243,651 from orgNo related comp$59,343 other
Bruce Bigelow
SITE, Enclosure, Facilities MGR
$296,301
$238,048 from orgNo related comp$58,253 other
Jennifer Eccles - Interim Sec
(10/22-3/23) / Vice President, DEV and EX REL
$276,407
$233,091 from orgNo related comp$43,316 other
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Revisions to this profile

January 25, 2026:
2023 Gmto Corporation 990 published
January 24, 2026:
2019 Gmto Corporation 990 published

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