Compensation 990

Simons Laufer Mathematical Sciences Institute

Fiscal year ending 2024. Filed on June 10, 2025.

17 Gauss Way
Berkeley, California 94720

Simons Laufer Mathematical Sciences Institute (EIN: 94-2650833), also known as Mathematical Sciences Research Institute, has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Simons Laufer Mathematical Sciences Institute, a 501(c)(3) charitable organization, reported compensation for 10 out of 29 total employees. Among the employees shown here, the average compensation is $218,541. The highest compensated employee at Simons Laufer Mathematical Sciences Institute is Tatiana Toro with fiscal year 2024 compensation of $395,476. Simons Laufer Mathematical Sciences Institute changed its name from Mathematical Sciences Research Institute in 2023.

Revenue, expenses, and employee compensation

Revenue

$22,511,049

Expenses

$14,170,339

Employee compensation

$3,948,471
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

＋86.5%vs 2023
Tatiana Toro
Director
$395,476
$317,962 from orgNo related comp$77,514 other
－2.5%vs 2023
Helene Barcelo
Deputy Director
$363,080
$306,008 from orgNo related comp$57,072 other
－3.2%vs 2023
Annie Averitt
Director for Advancement and
$265,426
$231,725 from orgNo related comp$33,701 other
＋0.6%vs 2023
Stefanie Yurus
Controller
$240,753
$176,246 from orgNo related comp$64,507 other
＋2.4%vs 2023
Arthur Bosse
Operations Manager
$188,638
$143,312 from orgNo related comp$45,326 other
＋4.5%vs 2023
Christine Marshall
Program Manager
$172,001
$135,062 from orgNo related comp$36,939 other
＋2.1%vs 2023
Demaur Owens
IT Manager
$171,309
$147,321 from orgNo related comp$23,988 other
＋10.6%vs 2023
Uta Lorenzen
Associate Director for ADV
$139,175
$111,263 from orgNo related comp$27,912 other
New in 2024
Alexander Lawhorn
EXEC ASST to the Deputy Director
$126,591
$104,259 from orgNo related comp$22,332 other
New in 2024
Lisa Jacobs
EXEC ASST to Director and Board Liason
$122,959
$103,796 from orgNo related comp$19,163 other

Non-Employee Board Members

Andrei Okounkov
Trustee
Bobby Yazdani
Trustee
Carol Christ
Trustee
Charles Fefferman
Trustee
Daniel S Freed
Trustee
David Donoho
Trustee
Deborah Loewenberg Ball
Trustee
Dusa McDuff
Trustee
Edward D Baker
Trustee
Helen Meyer
Secretary
Henry Laufer
Trustee
Ian Agol
Trustee

Mission Statement

THE MISSION OF THE SIMONS LAUFER MATHEMATICAL SCIENCES INSTITUTE (SLMATH) IS TO: FOSTER AND COMMUNICATE MATHEMATICAL RESEARCH IN A BROAD RANGE OF FUNDAMENTAL TOPICS AND APPLICATIONS, DEVELOP MATHEMATICAL TALENT AND CULTIVATE A SENSE OF BELONGING AND ENGAGEMENT, AND INSPIRE AN APPRECIATION OF THE POWER, BEAUTY, AND JOY OF MATHEMATICS.

Revisions to this organization profile

June 10, 2025:
2024 Simons Laufer Mathematical Sciences Institute 990 filed
June 12, 2024:
2023 Simons Laufer Mathematical Sciences Institute 990 filed
June 13, 2023:
2022 Simons Laufer Mathematical Sciences Institute 990 filed

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