During 2000-2002, he was a founder and Director of Platform Engineering of a desktop distributed computing company called Entropia. Before joining UCSD in January of 1997, he co-founded a startup called Tracepoint, which built performance analysis tools using x86 binary modification technology. In addition, he has worked as a Principal Engineer at Digital Equipment Corporation's Western Research Lab in Palo Alto. His research focuses on the interaction between computer architecture and compilers. Brad Calder received his Ph.D. in Computer Science from the University of Colorado, Boulder in 1995. He obtained a B.S. in Computer Science and a B.S. in Mathematics from the University of Washington in 1991. He is a recipient of an NSF CAREER Award.