Chengfei Zhang is a quantitative trader at IMC Trading since February 2019, with previous experience as a quantitative summer associate at摩根大通 and a quantitative researcher at Global A.I. Corporation, where research focused on the application of Regime Switching models to asset allocation, achieving significant improvements in Sharpe ratio and returns. Prior research roles at DongXing Securities Ltd involved constructing high-frequency stock databases and performing advanced statistical analyses, while a marketing analyst position at CHINA ORIENT ASSET MANAGEMENT CORPORATION included credit risk assessments and participation in equity investment projects. Chengfei Zhang holds a Master’s degree in Financial Engineering from Columbia Engineering and dual Bachelor’s degrees in Economics and Mathematics from Peking University.