David Shippy was the chief architect and technical leader of the PowerPC microprocessor for the Xbox 360 and PlayStation 3 game machines. His experience designing high-performance microprocessor chips and leading large teams spans more than 25 years. His work encompasses microprocessor designs for notebook computers, desktop computers, game machines, high-end servers, and mainframes. Currently, he is the Director of Design Engineering at AMD in Austin, Texas, where he lives.
Mickie Phipps worked for IBM for six years, two of them spent as second-line manager and project manager at STI, where she and David Shippy led the team that designed the microprocessor for the Xbox 360 and the PlayStation 3. She spent twenty years with the United States Air Force and is a retired Reservist. Ms. Phipps left IBM in 2004 to open a small business and pursue a career in writing. She lives in Kingsland, Texas.