Xiaokai Wei is a Principal ML Engineer at Roblox since 2023, focusing on initiatives involving large language models and multi-modal foundation models. Previously, Xiaokai worked as an Applied Scientist at Amazon Web Services (AWS) from 2019 to 2023, specializing in natural language processing, large language models, and generative AI. Prior experience also includes a role as a Research Scientist at Meta from 2016 to 2019, concentrating on machine learning for feed ads ranking, and earlier positions as a Software Engineer Intern at Facebook, Palantir Technologies, LinkedIn, Rocket Fuel Inc., and IBM. Xiaokai holds a PhD in Computer Science from the University of Illinois Chicago and a Bachelor's Degree in Computer Science from Beijing University of Posts and Telecommunications.
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