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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 John Wayne Cancer Institute Przemyslav Twardowski

Przemyslav Twardowski

Highest compensated employee

MED Director - ONC Research at John Wayne Cancer Institute

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$257,352
2018

Total compensation

Przemyslav Twardowski has been listed as an employee of John Wayne Cancer Institute in Form 990 filings since fiscal year 2018.

Annual compensation details

$257,352
MED Director - ONC Research
2018
$256k org
40 hrs/wk
$3k other
--

Total compensation by year

Compare the compensation of Przemyslav Twardowski to:

2018

Other employees at John Wayne Cancer Institute

Marcel Loh
Chief Executive Officer
$1,887,256
$0 from org$1,390,629 from related$496,627 other
Dave Hoon
SR LAB Chief
$339,236
$306,510 from orgNo related comp$32,726 other
Brian Anderson
Director JWCI
$269,617
$231,320 from orgNo related comp$38,297 other
Santosh Kesari
Med.Dir Trans-Neuro
$262,694
$235,276 from orgNo related comp$27,418 other
Caroline Mosessian
Chief Administrative Officer
$248,762
$247,257 from orgNo related comp$1,505 other
Kevin Chen
Cfo/Sjhc - THRU 9/21/18
$64,016
$0 from org$61,867 from related$2,149 other
James Uli
Cfo/Sjhc - THRU 2/2/18
$53,279
$0 from org$51,381 from related$1,898 other
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Revisions to this profile

January 24, 2026:
2018 John Wayne Cancer Institute 990 published

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