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Tingni Sun is a seasoned data science professional currently serving as a Senior Manager in Data Science at Vanguard, where responsibilities include managing a team that develops statistical modeling and machine learning solutions for the firm's various divisions. Prior experience includes roles as a Principal Data Scientist and Senior Data Scientist at the University of Maryland College Park, as well as an Assistant Professor at The Wharton School and a Postdoctoral Fellow. Tingni Sun holds a PhD in Statistics from Rutgers University and a BS in Mathematics and Applied Mathematics from Peking University.