Siwei Z.

Siwei Z. is a seasoned AI and machine learning professional who currently serves as a Senior AI Research Engineer at Duolingo, focusing on personalization and large language models for content scaling. Siwei founded a generative AI video startup for filmmaking in 2022 and has extensive experience as a Senior Data Scientist at Scribd, where they optimized recommendation systems. Previously, they worked at Instacart in a similar capacity, enhancing recommendations and personalization, and served as a Data Scientist at Facebook, contributing to mobile app install ads and Facebook Pages. Siwei completed all but dissertation work as a Ph.D. candidate at UCLA, where they researched numerical algorithms for partial differential equations.