Karthik Ramasamy leads a data science team at Uber focusing on solving fraud problems using machine learning. His team builds advanced machine learning models like semisupervised and deep learning models to detect account takeovers and stolen credit cards. Previously, Karthik was a cofounder of LogBase, where he worked on real-time analytics infrastructure and built models to rate drivers based on their driving behavior, and a founding member of the LinkedIn security team, where he developed various security products, with a particular focus on anti-automation efforts.
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