Lei Cai is an accomplished machine learning engineer with extensive experience in data science and applied science. Starting as a Software Engineer Intern at Ant Group in 2016, Lei progressed to roles at Microsoft from 2020 to 2022, including Data & Applied Scientist II and Principal Applied Scientist, focusing on ads response prediction. Currently serving as a Senior Machine Learning Engineer at Meta since March 2025, Lei specializes in monetization GenAI. Educational qualifications include a Master's degree in Computer Science and a Bachelor's degree in Computer Software Engineering from Dalian University of Technology, alongside a PhD in Computer Science from Washington State University, where Lei was also a Research Assistant. Experience also includes a Summer Research Internship at NEC Laboratories America, Inc.
This person is not in the org chart
This person is not in any teams
This person is not in any offices