Bill Gropp, NCSA, UIUC William Gropp is Director of the National Center for Supercomputing Applications and holds the Thomas M. Siebel Chair in the Department of Computer Science at the University of Illinois in Urbana-Champaign. He received his Ph.D. in Computer Science from Stanford University in 1982 and worked at Yale University and Argonne National Laboratory. His research interests are in parallel computing, software for scientific computing, and numerical methods for partial differential equations. He is a Fellow of AAAS, ACM, IEEE, and SIAM and a member of the National Academy of Engineering, and has received numerous awards for his work in HPC.