Microsoft Corporation (NASDAQ:MSFT) company has announced that their Entertainment & Devices division President Robbie Bach will be retiring this fall. J Allard, Microsoft’s Chief Experience Officer is also leaving the company. Allard is best known for driving Microsoft’s Xbox business and oversaw the development of the Zune. Allard will continue to be a direct advisor to Microsoft CEO Steve Ballmer. Below is the e-mail that Allard sent out.