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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 Lakan Cook

Lakan Cook

Highest compensated employee

Director of IM Certified Partnerships at Illustrative Mathematics

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

$136,042
2019

Total compensation

Lakan Cook has been listed as an employee of Illustrative Mathematics in Form 990 filings since fiscal year 2019.

Annual compensation details

$136,042
Director of IM Certified Partnerships
2019
$110k org
40 hrs/wk
$27k other
--

Total compensation by year

Compare the compensation of Lakan Cook 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
Lisa O'Masta
Chief Executive Officer
$303,533
$272,758 from orgNo related comp$30,775 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
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Revisions to this profile

January 24, 2026:
2019 Illustrative Mathematics 990 published

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