Donghai He joined WorldQuant Predictive in February 2019 as a senior software engineer and researcher. His research interests include machine learning, artificial intelligence, optimization, and simulation. Dr. He has over 7 years of experience in developing and optimizing high-performance computer storage systems. He was one of the major developers of ADSIM+ , an in-house strategic simulation modeling tool of FAA. Dr. He received his B.S. in Automatic Control from Dalian University of Technology and his Ph.D. in Information Technology from George Mason University.