Bloomberg Markets' 50 Most Influential

By Bloomberg Markets - 2012-09-05T07:58:26Z

Photograph by Justin Sullivan/Getty Images

Company Symbol % Change
3 of 55

Tim Cook

CEO, Apple Inc.

While Apple's market value soared during his first year in the top job, Cook, 51, may need many years to show he's a worthy successor to Steve Jobs. He also has to live up to his $378 million compensation package for 2011.