Lihan Zhou is currently serving as an IT Associate in Machine Learning at Jefferies since February 2023, specializing in Natural Language Processing and Market Making Recommendation Models. Prior to this role, Lihan Zhou was an IT Summer Associate in Data Science & Machine Learning at Jefferies, where notable projects included the design of an ensembled boosting tree model for Indication of Interest prediction and the development of a comprehensive random under sampling method to address data imbalance. Earlier experience includes work as a Quantitative Modeling Researcher at Pacific Asset Management, as a Fixed Income Analyst at Guosen Securities, and as a Data Scientist at China Galaxy Securities. Lihan Zhou holds a Master of Arts in Mathematics from Columbia University and a Bachelor's degree in Financial Engineering from Nankai University.