Rex McArthur is an accomplished professional in the fields of artificial intelligence and machine learning, currently serving as the Director of AI and ML at Procurement Sciences AI since August 2025. In addition, Rex has been an advisor for AI innovation at Hark since September 2024 and an advisor at Abstract since January 2022. Previously, Rex held positions as Staff AI Research Scientist and Senior AI Research Scientist at You.com, where responsibilities included developing new revenue-generating product verticals. Additional experience includes leadership roles at Jasper and data science positions at Lyft and Apple, where statistical analysis and machine learning were utilized to enhance performance and user experience. Rex began a career in engineering with an internship at Raytheon, focusing on simulation and machine learning techniques. Educational credentials include a Bachelor's degree in Computational and Applied Mathematics from Brigham Young University, obtained in 2017.
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