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Staff

Below are our staff and their corresponding contact information. We are very proud to say that we have an elite team of students and educators dedicated to spreading their passion for math in the Jewish community. Please feel free to reach out to us with any questions at any time.

Leib Malina
Founder / President

(469) 623-3670

leibmalina@gmail.com

Simcha Malina
Founder / President

469-623-4549

simchamalina@gmail.com

Daniel Garren
Global Outreach Department Head

972-768-9083

degarren@gmail.com

David Cohen
Project Director - Technology

dcohen@expanselabs.com

Jonah Schwarz-Mullins
Project Director - Content

jonahschwarzmullins@gmail.com

Ezra Ruderman
Project Director - Finance

ezraruderman@gmail.com

Susan Rapoport
Senior Administration - Math Department Head

srapoport@yavnehdallas.org

Rabbi Maury Grebenau
Senior Administration - Principal

mgrebenau@yavnehdallas.org

Zach Bernstein
Project Director - Outreach

bernsteinzach13@gmail.com

Name Role Region
Yosef Weiss Content Manager USA
Ori Zach Content Manager Israel
Eli Burstein Content Manager USA