Carl Johan Ragnarsson is a data science leader currently managing the Marketing Science group for Amazon Music. Previously, they held various roles at Amazon, including Senior Manager of Research Science and Customer Analytics Manager, where they led cross-functional teams in developing models and improving marketing decisions. Additionally, Carl worked as a Data Analyst at Happylatte, focusing on player behavior in mobile games, and held positions at Nordea Markets as a Controller and Quantitative Analyst. Carl holds an M.Sc. in Mathematics from Lunds universitet and has engaged in exchange studies in Mathematics at the University of Waterloo, among other academic pursuits.
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