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Vachagan Darbinyan is a data scientist with extensive experience in machine learning and data analysis, currently employed at Meta since January 2024. Prior to Meta, Vachagan served as a Senior Machine Learning Developer and Fraud ML Lead at Prosper Marketplace, where projects included developing fraud detection models that reduced annual expected losses by approximately 20%, and leading data migration efforts to optimize card product data management. Earlier roles included senior data scientist positions at 2nd Order Solutions, where credit and collections analysis was conducted for major banks, and research assistant roles at Duke University's Fuqua School of Business, focusing on market analysis. Vachagan's educational background includes a Master's in Quantitative Management from Duke University and ongoing studies at the University of Pennsylvania in Computer and Information Technology.