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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 Iop Publishing Incorporated Mr Oliver Callaghan

Mr Oliver Callaghan

OfficerTrustee/director

Treasurer (Ended 03/24) at Iop Publishing Incorporated

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$233,840
2024

Total compensation

Mr Oliver Callaghan has been listed as an employee of Iop Publishing Incorporated in Form 990 filings since fiscal year 2019. Total compensation for Mr Oliver Callaghan has increased by 8.4% from 2019 to 2024.

Annual compensation details

$233,840
-34%
Treasurer (Ended 03/24)
2024
$234k related
--
$354,077
+29.9%
Treasurer
2023
$355k related
--
$272,580
-5.1%
Treasurer
2022

Total compensation by year

Compare the compensation of Mr Oliver Callaghan to:

2024

Other employees at Iop Publishing Incorporated

Ms Antonia Seymour
President
$665,094
$0 from org$665,094 from relatedNo other comp
Mr 1 Tom Grinyer
Director
$357,656
$0 from org$357,656 from relatedNo other comp
Ms Sharice Collins
Vice President, Marketing (Ended 03/24)
$248,299
$244,383 from orgNo related comp$3,916 other
Sukhraj Dhadwar
Director
$208,549
$0 from org$208,549 from relatedNo other comp
Mr Gregory Schraft
Sales Executive
$200,702
$153,083 from orgNo related comp$47,619 other
Mr Benjamin Reisman
Senior Sales Manager
$173,684
$152,836 from orgNo related comp$20,848 other
Mr Robert Bernier
Regional Sales Manager
$163,430
$140,970 from orgNo related comp$22,460 other
Ms Jessica MacDonald
Senior Publisher
$140,482
$122,575 from orgNo related comp$17,907 other
Ms Ashley Gasque
Ebooks Commissioning Editor
$132,252
$123,528 from orgNo related comp$8,724 other
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Revisions to this profile

January 25, 2026:
2024 Iop Publishing Incorporated 990 published
January 25, 2026:
2023 Iop Publishing Incorporated 990 published
January 25, 2026:
2022 Iop Publishing Incorporated 990 published

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$273k other
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$287,092
+7.2%
Treasurer
2021
$288k other
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$267,902
+24.2%
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2020
$268k other
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$215,731
Treasurer
2019
$183k related
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$33k other
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