Jack Rosok is a seasoned data scientist with extensive experience in the field, currently serving as a Staff Data Scientist at ClassDojo. Prior roles include Lead Data Scientist at Duolingo and Welcome, as well as Senior Data Scientist at Spotify, where responsibilities encompassed data science for Premium Analytics. Earlier in the career, Jack served as a Data Analyst focused on Reporting and Optimization at The New York Times. Jack holds a Bachelor's degree in Economics from Claremont McKenna College and has further education from UC Berkeley School of Information.
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