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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 Calendaring & Scheduling Consortium David C Thewlis

David C Thewlis

Secretary at The Calendaring & Scheduling Consortium

Fiscal year ended December 31, 2021. Published on January 25, 2026.

$0
2021

Total compensation

David C Thewlis has been listed as an employee of The Calendaring & Scheduling Consortium in Form 990 filings since at least fiscal year 2016.

Annual compensation details

$0
Secretary
2021
$0
Secretary
2020
$0
Secretary
2019
$0
Secretary
2018

Compare the compensation of David C Thewlis to:

2021

Other employees at The Calendaring & Scheduling Consortium

Andrew Laurence
Chair
$0
Kenneth Murchison
Director
$0
Rutger Geelen
President
$0
Gershon Janssen
Chief Financial Officer
$0
Michael Douglass
Director
$0
Ronald Tse
Vice President
$0
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Revisions to this profile

January 25, 2026:
2021 The Calendaring & Scheduling Consortium 990 published
January 24, 2026:
2020 The Calendaring & Scheduling Consortium 990 published
January 24, 2026:
2019 The Calendaring & Scheduling Consortium 990 published

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$0
Secretary
2017
$0
Secretary
2016