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Corey Brier is an accomplished data scientist with extensive experience in predictive modeling, statistical analysis, and data management across various industries. Currently serving as a Principal Data Scientist at Progressive Insurance since April 2020, Corey manages and mentors teams, influences product strategy, and drives impactful analytical results. Prior roles include Data Scientist at The Lubrizol Corporation, where notable contributions included developing predictive model monitoring tools and time-series models for financial data analysis. Previous positions at Cleveland Clinic involved creating predictive models to reduce hospital readmissions and automating reports for FDA submissions. Corey has also contributed to academia as a Teaching Fellow at Yale University, focusing on statistics and research methodologies. Corey holds a Master's degree in Statistics from Yale University and a Bachelor's degree in Statistics from Case Western Reserve University.