He received his B.Eng. degree in Electronic Engineering from Tsinghua University, Beijing, China in 2012, and his M.Sc. and Ph.D. degrees in Electrical Engineering from Stanford University in 2014 and 2018, respectively. His research interests are in statistical machine learning, high-dimensional and nonparametric statistics, mathematical programming, applied probability, information theory, and their applications. He is a co-founder of EduBrain (http://edubrain.ai/), building AI systems for education.