Chao is a research scientist in the Technology Integration (TechInt) Group in the Oak Ridge Leadership Computing Facility (OLCF) at Oak Ridge National Laboratory. His research topics include Parallel I/O, Storage Systems and Multicore Architectures; Distributed Computing/File System/Data Management; and HPC Resilience/Fault Tolerance. He holds a Ph.D. in Computer Science from North Carolina State University. His doctoral work focused on MPI-level software redundancy for HPC applications; HPC resiliency system software for monitoring, fault prediction and proactive fault tolerance; and fault tolerance support for MPI: scalable membership, job pause, and process migration. Previously, he received a M.Sc. in Computer Science from Tsinghua University in China in 2001. He obtained a bachelors degree in Computer Science from Fudan University in China in 1998.