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Joe Xiao, Ph.D., is a highly experienced data scientist specializing in machine learning and its applications in healthcare. Currently serving as a Senior-Principal Machine Learning Data Scientist at Optum since January 2022, Joe works on innovative projects including deep learning for personalized care-path prediction and machine learning for automating claims adjudication. Previous roles include Lead AI Scientist at Target, focusing on deep learning and recommender systems, and Senior Data Scientist at General Mills, where Joe developed data-driven trading strategies. Joe's career includes significant contributions at Starkey Hearing Technologies and Medtronic, specializing in machine learning and signal processing for health technologies. An academic background features a Ph.D. in Biomedical Engineering from the University of Minnesota, alongside degrees in Computer Science from the University of Illinois Urbana-Champaign and Biomedical Engineering from the University of California, Berkeley.