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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 Marine Biological Laboratory David B Mark Welch

David B Mark Welch

Highest compensated employee

Senior Scientist at Marine Biological Laboratory

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

$261,953
2024

Total compensation

David B Mark Welch has been listed as an employee of Marine Biological Laboratory in Form 990 filings since at least fiscal year 2016. Total compensation for David B Mark Welch has increased by 32.7% from 2016 to 2024.

Annual compensation details

$261,953
+1.8%
Senior Scientist
2024
$196k org
40 hrs/wk
$67k other
--
$257,434
-9.5%
Senior Scientist
2023
$190k org
40 hrs/wk
$69k other
--

Total compensation by year

Compare the compensation of David B Mark Welch to:

2024

Other employees at Marine Biological Laboratory

A Paul Alivisatos
Former Chair of the Board of Trustees
$1,899,535
$0 from org$1,850,854 from related$48,681 other
Juan J de Pablo
Trustee
$949,251
$0 from org$883,412 from related$65,839 other
Lori Berko
Secretary of the MBL Corporation
$566,707
$0 from org$524,718 from related$41,989 other
Nipam H Patel
Director of the MBL
$515,477
$461,683 from orgNo related comp$53,794 other
Paul E Speer
Chief Operating Officer
$358,332
$310,625 from orgNo related comp$47,707 other
Linda Hyman
Education Director
$333,308
$292,423 from orgNo related comp$40,885 other
Anne Sylvester
Director, Division of Research
$296,255
$282,970 from orgNo related comp$13,285 other
Joshua Rosenthal
Senior Scientist
$275,495
$239,825 from orgNo related comp$35,670 other
Mary S Harrington
Chief Financial Officer
$275,373
$226,703 from orgNo related comp$48,670 other
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Revisions to this profile

January 25, 2026:
2024 Marine Biological Laboratory 990 published
January 25, 2026:
2023 Marine Biological Laboratory 990 published
January 25, 2026:
2022 Marine Biological Laboratory 990 published

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