Xiang S. is an experienced Machine Learning Engineer and researcher currently serving as a Staff Research Scientist at Meta since July 2025. Previously, Xiang was a Senior Machine Learning Engineer at TikTok from April 2023 to August 2025, where responsibilities included enhancing user feed quality through advanced AI solutions. Prior roles at Expedia Group involved contributions as a Staff Machine Learning Engineer and Machine Learning Scientist, focusing on conversational AI and dialogue systems using cutting-edge NLP technologies. Early career experiences included internships at Novartis and Liberty Mutual Insurance, where Xiang worked on predictive modeling and data analysis. Xiang holds a Ph.D. in Statistics and a Master of Science from The George Washington University, along with a Bachelor's degree in Mathematics from Fudan University.
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