Don Mattrick, Zynga's current CEO, will depart the company immediately after less than two years on the job. He had previously run Microsoft's Xbox business.
In 2010, Don Mattrick held negotiations about buying Zynga with the man he has now replaced, Mark Pincus.
The Xbox executive faces a Herculean task of tossing the social-gaming company a lifeline, and risks getting dragged down himself.
New CEO Don Mattrick is said to be holding an all-hands meeting Tuesday to address the executive shuffle and his vision for the company.
Don Mattrick sets his agenda during the company's earnings call and talks about why he loves Candy Crush, why he took the job, and how the company will dominate social gaming again.
Zynga CEO Mark Pincus confirms that Interactive Entertainment Business head Don Mattrick will take over his position next week.
In a blog post, Xbox chief Don Mattrick says Microsoft heard the outcry from gamers and changed the much-derided policies.
Microsoft's Don Mattrick announces the new Xbox One. The new gaming system is completely rebuilt with a new Kinect, controller, and voice control so users can switch between programs.
The software maker buys the Vancouver, B.C.-based game studio, which was co-founded by Microsoft senior vice president Don Mattrick.