Nitin is the Technical Director — AI Research and Senior Research Scientist at the AI research group in PayPal Risk Sciences, where he focuses on end-to-end design and development of AI algorithms, for large-scale real-time payments fraud detection. His research involves the next generation of fraud detection capabilities by designing novel fraud problem formulations, utilizing the exhaustive PayPal data assets so as to improve fraud detection accuracy while continuing to enhance the experience of good users. As a researcher, he also collaborates with Credit Risk and Marketing teams for different ideation and proof-of-concept development initiatives. Prior to his current role in the AI research team, he built large-scale machine learning and feature engineering frameworks for stolen identity and stolen financial instruments fraud detection at PayPal. With several years of research & teaching experience in machine learning and mathematical optimization, he takes keen interest in conducting AI workshops/bootcamps, talks and seminars for a wide array of audiences.