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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 Illustrative Mathematics Linda Plattner

Linda Plattner

OfficerTrustee/director

Secretary at Illustrative Mathematics

Fiscal year ended June 30, 2017. Published on January 24, 2026.

$28,538
2017

Total compensation

Linda Plattner has been listed as an employee of Illustrative Mathematics in Form 990 filings since at least fiscal year 2016. Total compensation for Linda Plattner has decreased by 71.1% from 2016 to 2017.

Annual compensation details

$28,538
-71.1%
Secretary
2017
$29k org
40 hrs/wk
$98,780
Executive Director
2016
$99k org
20 hrs/wk
$1k other
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Total compensation by year

Compare the compensation of Linda Plattner to:

2017

Other employees at Illustrative Mathematics

William McCallum
President and Chief Executive Officer
$286,000
$275,000 from orgNo related comp$11,000 other
Kristin Umland
Vice President
$192,786
$186,333 from orgNo related comp$6,453 other
Robert Stansfield
Treasurer/Cfo and COO
$168,480
$162,000 from orgNo related comp$6,480 other
Lisa O'Masta
Chief Executive Officer
$136,008
$132,475 from orgNo related comp$3,533 other
Ellen E Whitesides
Vice President
$96,673
$93,362 from orgNo related comp$3,311 other
Shelly Jurmain
Interim Chief Financial Officer
$24,463
$23,750 from orgNo related comp$713 other
Trisha Thomas
Vice President
$21,317
$21,317 from orgNo related compNo other comp
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Revisions to this profile

January 24, 2026:
2018 Illustrative Mathematics 990 published
January 24, 2026:
2017 Illustrative Mathematics 990 published
January 24, 2026:
2016 Illustrative Mathematics 990 published

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