Penghui Yao is an associate professor in the department of computer science and technology at Nanjing University. He obtained his doctoral degree from the Centre for Quantum Technology, National University of Singapore. Prior to joining Nanjing University, he was a postdoctoral researcher at CWI Netherlands, IQC University of Waterloo, and QuICS University of Maryland. His research mainly focuses on quantum information theory, communication complexity, and computational complexity.