Confirmed: Xbox chief Don Mattrick to leave Microsoft for Zynga’s top job

Don Mattrick, the president of Microsoft’s game business, will leave the company and become the CEO of social gaming giant Zynga.

The news leaked earlier today in a report in AllThingsD, which cited multiple unnamed sources at the time. Zynga just confirmed the news, which is a major change in leadership at two of the game industry’s biggest players.