How Tim Cook has grown the Apple empire in his decade as CEO

When Tim Cook took over as chief executive of Apple, it was a corporate transition unlike any other. He stepped out from the shadow of one of the best-known American CEOs and took the reins of one of the world's biggest tech companies facing some uncertainty about how much more successful it could be.

Ten years into the job, Cook now leads the most valuable company in the world — technology or otherwise — and it remains among the most influential. More than a billion people worldwide use its devices and tens of millions of developers have built businesses on its software platforms. READ MORE