15 CEOs Who Spent Their Whole Career At The Company They Lead

Who says it's no longer a straight line to the top?

In the past month, two of the biggest and best-known corporations in the world, General Motors and Wal-Mart, rewarded loyalty by giving the CEO job to people who had spent their entire careers at the company.

Mary Barra of GM rose from a summer job as a teenager inspecting panels at a Pontiac plant to the automaker's first female CEO. And Doug McMillon of Wal-Mart started out at the company unloading trucks and then climbed the ranks for decades.

We've collected some of the other major CEOs who have managed to rise from entry-level positions all the way to the top of their companies.