Robert P. Colwell, PHD, is an independent consultant. He earned his PhD in computer engineering from Carnegie Mellon University in 1985. Named an Intel Fellow (twenty-seven led Intel's Pentium 4 CPU core development. His other contributions at Intel include coleading the team that conceived Intel's P6 microarchitecture, the core of the company's Pentium II, Pentium III, Celeron, Xeon, and  Centrino product families. He is the author and contributor to many published papers and chapters and is the inventor or co-inventor on more than forty patents.