Yangyi Lu is a highly skilled Senior Machine Learning Engineer at Robinhood, specializing in AI research since October 2025. Prior experience includes a role as a Machine Learning Engineer at Pinterest from July 2022 to October 2025, focusing on home feed ranking and personalized recommendation systems. Yangyi's expertise also encompasses a research internship at ByteDance, where collaborative ranking estimation methods were developed, and a data science internship at Adobe, contributing to a UAI 2020 publication through advancements in bandit algorithms. Earlier internships at AT&T Bell Laboratories addressed statistical challenges in network event characterization, while a research assistantship at Carnegie Mellon University further honed analytical skills. Educational achievements include a PhD in Statistics from the University of Michigan and a Master's in Machine Learning from Carnegie Mellon University.
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