Apple is the apple of Wall Street's eye again. And that's why Tim Cook is our choice for best CEO of 2014.

The stock is up 40% this year and near an all-time high thanks to the launch of the latest iPhones and Apple Pay service as well as excitement about the Apple Watch due out in 2015.

Who is Tim Cook?

Cook has arguably the toughest CEO job in America. He's had to convince skeptics that Apple (AAPL) can still innovate after the death of Steve Jobs. He's proven all the naysayers wrong.