As president of Microsoft's Interactive Entertainment Business, Mattrick is responsible for overseeing all things Xbox. Before that, he headed up worldwide studios at Electronic Arts — and cashed in $21 million in options before leaving the company. Married to the daughter of a major Canadian telecom founder, Mattrick works in Seattle but calls Vancouver home, where he lives in a 25,000-square-foot estate that was valued at $28 million Canadian in 2008.