His research group, The HPC Garage (hpcgarage.org), works in high-performance computing, with a focus on parallel algorithms, performance analysis, and performance tuning. His work has been recognized by a variety of scholarly awards, including a 2010 IPDPS Best Paper; 2010 Gordon Bell Prize; and 2012 SIAM Data Mining Best Paper. He is a recipient of the National Science Foundation CAREER Award and a member of the DARPA Computer Science Study Group program. He received his PhD from UC Berkeley and served as a postdoctoral scholar at Lawrence Livermore National Laboratory.