Tirthankar Choudhuri serves as Vice President of Digital Data Science and Vice President of Amex Advance at American Express since June 2016, following a decade of experience at the company where roles included Director of Commerce Data Science and Director of Risk Management Decision Science. Choudhuri specializes in developing big data solutions for performance marketing and analytical solutions for customer spend offers, utilizing advanced methodologies such as KNN and Random Forest. Previous accomplishments include creating automated capabilities for credit risk modeling and developing patented technologies for enterprise-wide model building. Academic credentials include a Master of Philosophy in Economics from the Indira Gandhi Institute of Development Research and a Bachelor of Engineering in Power Plant Engineering from Jadavpur University.