Zack L.

Zack L. is a Senior Manager of Data Science & Analytics at DoorDash since December 2021, leading a 13-member team focused on fraud prevention, user safety, and trust across multiple audiences and global operations. Previously, Zack served as a Senior Manager at Discover Financial Services from December 2013 to December 2021, where responsibilities included leading credit risk strategies, developing analytics to mitigate credit losses, and overseeing various data science initiatives. Zack's experience includes roles as Manager/Principal and Lead Data Scientist, contributing to customer acquisition and retention, and earning the Discover President’s Plate for outstanding service. Earlier experience includes analytics modeling for Foresight ROI, Inc., providing consulting services to major brands. Zack holds a Master of Science in Statistics from the University of Chicago and a Bachelor of Science in Computational Mathematics from Beijing University of Technology.