Yichen Bei is a Senior Machine Learning Engineer at TikTok, where they focus on video recommendation algorithms and oversee the story and repost feed. Prior to this role, Yichen worked as a Machine Learning Engineer at TikTok from 2020 to 2023. They also gained experience as a Quantitative Research Intern at Everbright Securities and Hua An Fund Management Co. Ltd. in 2018, where they implemented trading strategies and conducted market research. Yichen holds a Master of Engineering in Industrial Engineering & Operations Research from UC Berkeley, earned in 2020.
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