Quannan Li

Quannan Li is a GenAI engineer at Google since March 2025, specializing in building data analytics AI agents utilizing techniques such as RAG, RLxF, and large language models. Previously, Quannan served as a Principal ML Engineer at Pinterest from July 2023 to March 2025, focusing on ads delivery and modeling. Quannan's earlier experience includes significant roles at Twitter from March 2017 to February 2023, where responsibilities included leading the Personalization Initiative, migrating ML pipelines to Google Cloud Platform, and contributing to user growth efforts. Quannan began a career at Microsoft, working as a Visiting Student and Research Intern in visual computing and spatio-temporal data mining. Quannan holds a PhD in Computer Vision and Machine Learning from UCLA and a Master's degree in Communication and Information System from Huazhong University of Science and Technology.