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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 The Salk Institute for Biological Studies Martin Hetzer, Ph.D.

Martin Hetzer, Ph.D.

Highest compensated employee

CSO (Outgoing March 2023)/Professor at The Salk Institute for Biological Studies

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

$494,697
2023

Total compensation

Martin Hetzer, Ph.D. has been listed as an employee of The Salk Institute for Biological Studies in Form 990 filings since at least fiscal year 2016. Total compensation for Martin Hetzer, Ph.D. has increased by 71.4% from 2016 to 2023.

Annual compensation details

$494,697
-1.7%
CSO (Outgoing March 2023)/Professor
2023
$439k org
50 hrs/wk
$57k other
--
$503,340
-4.4%
Cso/Professor
2022
$448k org
50 hrs/wk
$56k other
--

Total compensation by year

Compare the compensation of Martin Hetzer, Ph.D. to:

2023

Other employees at The Salk Institute for Biological Studies

Fred Gage, Ph.D.
President (Outgoing April 2023)/Professor
$938,340
$884,422 from orgNo related comp$53,918 other
Kim E Witmer
Treasurer/Svp Finance and ADMN
$530,063
$483,502 from orgNo related comp$46,561 other
Gerald Joyce, M.D., Ph.D.
President (Incoming April 2023)/Professor
$503,098
$451,511 from orgNo related comp$51,587 other
Reuben Shaw, Ph.D.
Trustee and Professor
$463,486
$414,745 from orgNo related comp$48,741 other
Ronald Evans, Ph.D.
Professor
$459,974
$427,878 from orgNo related comp$32,096 other
Julia A Miller, Jd
General Counsel and Secretary
$448,063
$391,828 from orgNo related comp$56,235 other
Samuel Pfaff, Ph.D.
Professor
$422,396
$366,432 from orgNo related comp$55,964 other
Edward Callaway, Ph.D.
Professor
$407,458
$354,745 from orgNo related comp$52,713 other
Kimberly Castillo
Chief Financial Officer
$363,172
$311,772 from orgNo related comp$51,400 other
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Revisions to this profile

January 25, 2026:
2023 The Salk Institute for Biological Studies 990 published
January 25, 2026:
2022 The Salk Institute for Biological Studies 990 published
January 25, 2026:
2021 The Salk Institute for Biological Studies 990 published

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$526,425
+2.8%
Cso/Professor
2021
$476k org
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$52k other
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$512,008
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Cso/Professor
2020
$466k org
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$47k other
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$486,878
+11.4%
Professor/Cso
2019
$447k org
50 hrs/wk
$41k other
--
$437,131
+28.4%
Professor/Cso
2018
$392k org
50 hrs/wk
$46k other
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$340,454
+18%
Professor/Cso
2017
$297k org
50 hrs/wk
$44k other
--
$288,567
Trustee and Professor
2016
$255k org
50 hrs/wk
$34k other
--