January 2009 to September 2011
Bartz engineered Yahoo's search deal with Microsoft and brought down costs. But investors were impatient for a turnaround. The board famously fired her via a phone call.
Who are 2012's young business stars? We've got the CEO of a blue-chip beer brand, an airline CEO who just placed the largest order in commercial aviation history, and Warren Buffett's new prodigy, among the Silicon Valley hotshots and others.