He obtained his Ph.D. in Computer Science from Yale University in 2016, where his dissertation won the Distinction Dissertation Award at Yale and was nominated for the ACM Dissertation Award. He obtained his B.S. from Tsinghua University in 2011. Prof. Gu is an expert in formal verification of system software. He was the primary designer and developer of CertiKOS, the world's first fully verified concurrent OS kernel. His OSDI16 paper on CertiKOS has been nominated and selected for publication in the Research Highlights section of the CACM.