YaoFei Xiong is a Senior Applied Scientist at Amazon, specializing in relevance modeling, click-through rate prediction, and ranking. With extensive experience in data science and engineering, including previous roles at eBay and Terapeak, they possess strong proficiency in R, Python, Java, and AWS. YaoFei holds a Ph.D. in Statistics from The University of Western Ontario and has a solid background in various methodologies, particularly in predictive modeling and machine learning. Prior to their roles in the tech industry, YaoFei served as a Data Analyst at China Unicom, where they processed and analyzed large volumes of data.
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