Dr. Han Liu is the Chief Data Scientist at Platt Retail Institute (PRI). He is also an Associate Professor of Computer Science and Statistics at Northwestern University and sits on the Retail Analytics Council AI Lab Advisory Board. In addition, he also directs the Modern Artificial General Intelligible and Computer Systems lab at Northwestern University. He has served as director of the deep reinforcement learning center at Tencent AI Lab and professor at Princeton University and Johns Hopkins University. He received a joint Ph.D. in Machine Learning and Statistics from Carnegie Mellon University.