His research interests are providing theoretical analysis for machine learning models and designing efficient algorithms with provable guarantees for applications. He received a B.S. in 2008 and an M.S. in 2010 in Computer Science from Tsinghua University, and a Ph.D. degree in Computer Science from Georgia Institute of Technology in 2014. He was a postdoctoral researcher in 2014-2017 in the Computer Science Department at Princeton University.