Bill Dally is the chairman and chief scientist of Stream Processors Inc. (SPI), which he co-founded in 2004. Dr. Dally is also professor of engineering and chairman of the Computer Science Department at Stanford University where he has spearheaded efforts to develop system and network technology used in most large parallel computers today. Prior to Stanford he was a professor at MIT for 11 years, where his group built the J-Machine and M-Machine parallel computers that pioneered programming models and low overhead synchronization and communication mechanisms. At Stanford he led the Imagine project, which introduced the concepts of stream processing and contributed to the T3D, T3E, and BlackWidow supercomputers at Cray. He was also a co-founder and CTO of Velio Communications, a high-speed interconnect and switch fabric company. He is a Fellow of the IEEE, the ACM, and the American Academy of Arts and Sciences. He has received numerous honors including the Seymour Cray Award and the Maurice Wilkes award. He has published over 200 papers and holds over 50 issued patents. Dr. Dally has a bachelor s degree in electrical engineering from Virginia Polytechnic Institute, a master s degree in electrical engineering from Stanford and a doctorate in computer science from Caltech.