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Jing Ma, CFA, currently serves as the Director of Quantitative Execution Services at WorldQuant, a position held since February 2016, focusing on market impact, intraday signal forecasting, and execution optimization. Prior experience includes a trading associate internship at AB Bernstein, where automation using KDB and R was a key responsibility, and a summer internship at HSBC Jin Trust, contributing to product development. Jing began the professional journey at Zhong De Securities as an analyst intern, engaging in investment banking and sector research. Academic credentials include a Master's Degree in Operations Research from Columbia University and dual Bachelor's Degrees in Economics from Peking University and Biological Science from Tsinghua University, supplemented by a summer exchange in Finance at The Hong Kong University of Science and Technology.