Thomas is an R&D staff member in the Computer Science Research group. He has experience working on a variety of projects related to system software for high-performance computing (HPC). His research interests include resilience and fault-injection tools for HPC. He also works on resource management and runtime systems, which includes research involving system-level virtualization and isolation. He is a member of the ECP Open MPI for Exascale (OMPI-X) project.