Steve Ballmer has been Microsoft’s CEO since 2000. That’s over 13 years ago for you mathematicians out there. Earlier this summer, he announced plans to step down as CEO sometime during the next year. Who’s going to be the next CEO of Microsoft? We’ve heard reports of Nokia’s Stephen Elop, Ford’s Alan Mulally and others. Now Reuters is claiming the list has been narrowed even further. Who made the cut? Read on to find out.