Lei Wang is a highly experienced machine learning engineer with a focus on content science, relevance, and deep learning. Currently serving as a Staff Machine Learning Engineer at Pinterest since April 2025, Lei previously held the same title at DoorDash and worked as a Machine Learning Tech Lead at Facebook, where contributions included product growth ranking and personalized music video recommendations. Earlier experience includes a Machine Learning Engineer role at Google, focusing on trademark search ads quality and natural language processing, and a Software Engineer position at Bloomberg LP, concentrating on financial data. Lei Wang holds a Ph.D. in Condensed Matter and Computation Physics from Brown University and a Bachelor's degree in Physics from Tongji University.
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