Robert Ross is a senior computer scientist at Argonne National Laboratory, Lemont, and a senior fellow at the Northwestern–Argonne Institute for Science and Engineering at Northwestern University, Evanston. Dr. Ross’s research interests are in system software and architectures for high-performance computing and data analysis systems, in particular storage systems and software for I/O and message passing. Rob received his Ph.D. degree in computer engineering from Clemson University in 2000. Rob was a recipient of the 2004 Presidential Early Career Award for Scientists and Engineers. Contact him at rross@mcs.anl.gov.