Ximin Hu

Ximin Hu is a Senior AI/ML Engineer at UnitedHealth Group, with prior experience as a Senior Data Scientist and Data Scientist at AstrumU®, focusing on Natural Language Processing, LLMs fine-tuning, skill topic generation, and model evaluation. A Postdoctoral Researcher at the University of Washington, Ximin conducted data mining on high-dimensional data to assess environmental contaminants and employed clustering and classification methods. As a Machine Learning Scientist at Wayfair, Ximin improved user behavior prediction models using macroeconomic and NLP features, achieving over a 13% performance lift. Ximin's academic credentials include a PhD in Civil and Environmental Engineering with a focus on Data Science from the University of Washington, a Master's from The Johns Hopkins University, and a Bachelor's from Tongji University.