AMD announced today that Apple’s platform architecture head Jim Keller has joined the green team “…as corporate vice president and chief architect of AMD’s microprocessor cores.”

AMD’s chief technology officer Mark Papermaster said “Jim is one of the most widely respected and sought-after innovators in the industry and a very strong addition to our engineering team. He has contributed to processing innovations that have delivered tremendous compute advances for millions of people all over the world, and we expect that his innovative spirit, low-power design expertise, creativity and drive for success will help us shape our future and fuel our growth.”

Keller was previously a director of the platform architecture group at Apple where he “…architected several generations of mobile processors, including the chip families found in millions of Apple iPads, iPhones, iPods and Apple TVs.” He also co-authored the HyperTransport specification as well as the x86-64 processor instruction set, both of which are widely used today.

Jim Keller was previously employed by AMD and played a role in the design of the AMD Athlon 64 and AMD Opteron 64 processors.

Source: Engadget