Marc Snir is Michael Faiman Professor in the Department of Computer Science at the University of Illinois at Urbana-Champaign. He received a Ph.D. in Mathematics from the Hebrew University of Jerusalem in 1979. He was Director of the Mathematics and Computer Science Division at the Argonne National Laboratory from 2011 to 2016 and head of the Computer Science Department at Illinois from 2001 to 2007. Until 2001 he was a senior manager at the IBM T. J. Watson Research Center where he led the Scalable Parallel Systems research group that was responsible for major contributions to the IBM SP scalable parallel system and to the IBM Blue Gene system. He was a major contributor to the design of the Message Passing Interface. Marc is AAAS Fellow, ACM Fellow and IEEE Fellow. He won the IEEE Award for Excellence in Scalable Computing and the IEEE Seymour Cray Computer Engineering Award.