You've probably never heard the name Bob Feldstein, but Nintendo, Sony and Microsoft surely have. He was the vice president of strategic development at AMD, and according to our sources, he brokered the deals that will see the next Xbox, PlayStation, and Wii U all use AMD hardware. He was vice president of engineering at ATI before it got acquired by AMD, and oversaw the Xbox 360's Xenos GPU and the original Wii's Hollywood GPU, among other things. Of the previous console generation, only the PS3, with its Nvidia-powered RSX, had a GPU designed by a rival firm.
Why bring that up today? Because after nearly two decades working for Team Red, Feldstein has moved to that rival firm: Nvidia.