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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 Lisa O'Masta

Lisa O'Masta

OfficerTrustee/director

Chief Executive Officer at Illustrative Mathematics

Fiscal year ended December 31, 2019. Published on January 24, 2026.

$303,533
2019

Total compensation

Lisa O'Masta has been listed as an employee of Illustrative Mathematics in Form 990 filings since fiscal year 2017. Total compensation for Lisa O'Masta has increased by 123.2% from 2017 to 2019.

Annual compensation details

$303,533
+5.9%
Chief Executive Officer
2019
$273k org
40 hrs/wk
$31k other
--
$286,534
+110.7%
Chief Executive Officer
2018
$268k org
40 hrs/wk
$19k other
--

Total compensation by year

Compare the compensation of Lisa O'Masta to:

2019

Other employees at Illustrative Mathematics

William McCallum
President/Chairman of the Board
$314,631
$289,791 from orgNo related comp$24,840 other
Kristen Welch
Chief Financial Officer and Vice President
$223,247
$193,706 from orgNo related comp$29,541 other
Kristin Umland
Chief Product OFF, Vice President PROD Strategy
$223,094
$213,225 from orgNo related comp$9,869 other
Karl Nelson
Vice President COO and CTO
$205,230
$176,199 from orgNo related comp$29,031 other
Trisha Thomas
Vice President
$185,038
$157,341 from orgNo related comp$27,697 other
Brendan Shean
Software Enginner
$145,674
$133,744 from orgNo related comp$11,930 other
Eric Connally
Software Enginner
$142,231
$136,860 from orgNo related comp$5,371 other
Kari Fines
Operations Director
$137,967
$132,539 from orgNo related comp$5,428 other
Lakan Cook
Director of IM Certified Partnerships
$136,042
$109,688 from orgNo related comp$26,354 other
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Revisions to this profile

January 24, 2026:
2020 Illustrative Mathematics 990 published
January 24, 2026:
2019 Illustrative Mathematics 990 published
January 24, 2026:
2018 Illustrative Mathematics 990 published

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$136,008
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$133k org
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--

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2019
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Lisa O'Masta
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