Ji In Choi

Ji In Choi is a seasoned data professional currently serving as a Senior Machine Learning Scientist at The Knot Worldwide, where the focus includes building and deploying production-grade machine learning models such as the Couple Action Prediction model. Previously, at Extend, Ji In Choi held roles as a Senior Data Scientist and Data Scientist, contributing to growth analytics and revenue analytics through classification models, anomaly detection pipelines, and customer lifetime value models. Prior experience includes positions as a Market Risk Analyst at JPMorgan Chase & Co. across various groups, performing in-depth market analyses and stress testing, as well as earlier roles at Lovelytics, Citi, and Yonsei University that encompassed data science and research tasks. Ji In Choi earned a Master's degree in Data Science from Columbia University and a Bachelor of Science in Applied Mathematics - Economics from Brown University.