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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 Association of Universities for Research IN Astronomy Inc. Kenneth Sembach

Kenneth Sembach

Highest compensated employee

Astronomer at Association of Universities for Research IN Astronomy Inc.

Fiscal year ended September 30, 2024. Published on January 25, 2026.

$444,827
2024

Total compensation

Kenneth Sembach has been listed as an employee of Association of Universities for Research IN Astronomy Inc. in Form 990 filings since fiscal year 2017. Total compensation for Kenneth Sembach has increased by 20.3% from 2017 to 2024.

Annual compensation details

$444,827
+0.6%
Astronomer
2024
$387k org
40 hrs/wk
$58k other
--
$442,190
+2.3%
Stsci Director
2023
$389k org
40 hrs/wk
$55k other
--

Total compensation by year

Compare the compensation of Kenneth Sembach to:

2024

Other employees at Association of Universities for Research IN Astronomy Inc.

Charles Mountain
President
$633,974
$566,893 from orgNo related comp$67,081 other
Nancy Levenson
Interim Director, Stsci
$450,136
$392,185 from orgNo related comp$57,951 other
Heidi Hammel
Vice President for Science
$407,226
$340,990 from orgNo related comp$66,236 other
Valentin Pillet
Director, NSO (Thru 7/24)
$394,718
$331,690 from orgNo related comp$63,028 other
Patrick McCarthy
Noirlab Director
$394,365
$359,483 from orgNo related comp$34,882 other
Barbara Lam
Vice President of Operations/Cfo
$375,351
$312,905 from orgNo related comp$62,446 other
Dana Lehr
Vice President, Programs
$354,985
$287,937 from orgNo related comp$67,048 other
Marc Postman
Acting DEP Director - Stsci (Thru 2/24)
$354,247
$296,162 from orgNo related comp$58,085 other
Victor Krabbendam
VR Construction - Project
$348,362
$277,130 from orgNo related comp$71,232 other
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Revisions to this profile

January 25, 2026:
2024 Association of Universities for Research IN Astronomy Inc. 990 published
January 25, 2026:
2023 Association of Universities for Research IN Astronomy Inc. 990 published
January 25, 2026:
2022 Association of Universities for Research IN Astronomy Inc. 990 published

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