His primary focus is on the High Performance Computing market, working on OFED and communication middleware architecture issues, as they relate to extreme-scale computing. Prior to moving to Mellanox, Rich spent thirteen years at Los Alamos National Laboratory and Oak Ridge National Laboratory, in computer science technical and administrative roles, with a technical focus on communication libraries and application analysis tools. He is cofounder of the Open MPI collaboration, was chairman of the MPI 3.0 standardization efforts.