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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 American Physical Society Michael Thoennessen

Michael Thoennessen

OfficerTrustee/director

Editor-In-Chief (Thru 08/22) at American Physical Society

Fiscal year ended December 31, 2022. Published on January 25, 2026.

$663,813
2022

Total compensation

Michael Thoennessen has been listed as an employee of American Physical Society in Form 990 filings since fiscal year 2017. Total compensation for Michael Thoennessen has increased by 258.8% from 2017 to 2022.

Annual compensation details

$663,813
+58.8%
Editor-In-Chief (Thru 08/22)
2022
$629k org
40 hrs/wk
$36k other
--
$417,989
+1.8%
Editor in Chief
2021
$348k org
40 hrs/wk
$71k other
--

Total compensation by year

Compare the compensation of Michael Thoennessen to:

2022

Other employees at American Physical Society

Jonathan Bagger
Chief Executive Officer
$677,853
$628,757 from orgNo related comp$49,096 other
Jane Hopkins Gould
Chief Financial and Operating Officer
$365,999
$322,867 from orgNo related comp$43,132 other
Mark Doyle
Chief Information Officer
$357,924
$299,964 from orgNo related comp$57,960 other
Francis Slakey
Chief External Affairs Officer
$330,464
$274,559 from orgNo related comp$55,905 other
Beth Gunzel
Chief Human Resources Officer
$302,535
$248,060 from orgNo related comp$54,475 other
Jeff Lewandowski
Director of Publishing
$254,098
$203,560 from orgNo related comp$50,538 other
Lenny Marks
Technical LEAD
$251,723
$201,261 from orgNo related comp$50,462 other
Amy Flatten
Director of International Affairs
$246,748
$217,103 from orgNo related comp$29,645 other
Christine Giaccone
Director of Journal Operations
$244,148
$226,273 from orgNo related comp$17,875 other
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Revisions to this profile

January 25, 2026:
2022 American Physical Society 990 published
January 25, 2026:
2021 American Physical Society 990 published
January 24, 2026:
2020 American Physical Society 990 published

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$410,768
+5.5%
Editor in Chief
2020
$360k org
40 hrs/wk
$52k other
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$389,341
+7.2%
Editor in Chief
2019
$341k org
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$49k other
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$363,172
+96.3%
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$345k org
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$20k other
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$185,014
Editor in Chief
2017
$180k org
40 hrs/wk
$6k other
--