Xbox boss leaves Microsoft for Zynga

Don Mattrick has left his position as Xbox boss to take over as the CEO of Zynga.

Mattrick spent six years with Microsoft, where he oversaw the Xbox 360's transformation into the best selling console in North America.

He'll now take over as CEO of Zynga from founder Mark Pincus, who himself will move over to become chairman and chief product officer of the social gaming company.

"Don is unique in the game business," wrote Pincus in a blog post. "He can execute multiple domains - hardware, software and network, and he's been the person responsible for game franchises like Need for Speed, FIFA and The Sims.

"He's one of the top executives in the overall entertainment business and he's a great coach who has inspired people to do their best work and build strong, productive teams."

More recently Mattrick was responsible for revealing the Xbox One to the world over the last few months.

"I joined Zynga because I believe that Mark's pioneering vision and mission to connect the world through games is just getting started," said Mattrick.

"Zynga is a great business that has yet to realise its full potential. I'm proud to partner with Mark to deliver high-quality, fun, social games wherever people want to play."

Microsoft CEO Steve Ballmer also sent an email around to employees thanking Mattrick for his time spent with the company.

"This is a great opportunity for Don, and I wish him success," he wrote.