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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 Great Lakes Cancer Institute Dr Justin Klamerus

Dr Justin Klamerus

OfficerTrustee/director

President and Chief Executive Officer and Director at Great Lakes Cancer Institute

Fiscal year ended September 30, 2016. Published on January 24, 2026.

$514,507
2016

Total compensation

Dr Justin Klamerus has been listed as an employee of Great Lakes Cancer Institute in Form 990 filings since at least fiscal year 2016.

Annual compensation details

$514,507
President and Chief Executive Officer and Director
2016
$491k
40 hrs/wk
$25k
--

Total compensation by year

Compare the compensation of Dr Justin Klamerus to:

2016

Other employees at Great Lakes Cancer Institute

Mark O'Halla
Director
$1,665,056
$0 $1,634,969 $30,087
David Mazurkiewicz
Senior Vice President and Chief Financial Officer
$1,406,131
$0 $1,379,015 $27,116
Dr Michael McKenna
Director
$1,166,791
$0 $1,139,816 $26,975
Don Kooy
Director
$1,157,325
$0 $1,088,506 $68,819
Barton Buxton
Director
$1,016,689
$0 $925,912 $90,777
Kevin Tompkins
Director
$832,492
$0 $775,286 $57,206
Clarence Sevillian
Director
$723,054
$0 $562,479 $160,575
William Lawrence
Director
$608,801
$0 $578,714 $30,087
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Revisions to this profile

January 24, 2026:
2016 Great Lakes Cancer Institute 990 published

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2016
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