Don Mattrick

3 Executives Out At Struggling Game Maker ZyngaEarlier this summer, Zynga Inc. hired Mattrick from Microsoft, where he led the Xbox business. Mark Pincus, Zynga’s founder, remains chairman and chief product officer after handing CEO duties over to Mattrick.
Zynga's 2Q Losses Narrow As Company Slashes CostsZynga narrowed its second-quarter losses as the troubled company laid off workers and trimmed other expenses to help offset its difficulty coming up with compelling games to play on smartphones and tablet computers.
SF Game Developer Zynga CEO Steps Down, Replaced By Microsoft ExecZynga says its CEO, Mark Pincus, is stepping down to be replaced by Don Mattrick, the head of Microsoft's Xbox business.