James Reinders accepted the Intel’s early retirement offer and will step down from his position as Intel’s High Performance Computing Director. He worked on the Larabee and Xeon Phi initiatives, and published several books on parallelism.
According to his letter, it sounds like his retirement offer was part of a company-wide workforce reduction than targeting his division specifically.
With Intel is focusing on cloud and IoT. Xeon Phi is an area that Intel is go head to head with NVIDIA for high-performance servers which are needed for high end cloud-based applications.