Hubert Joly

President and CEO
Best Buy

Hubert Joly, tapped to turn around Best Buy in 2012, has accomplished half of what he was hired to do for the struggling electronics retailer, but the jury is still out on the other half. He has proven adept at cutting costs—$95 million in Q1 2015 alone, leading to increased profit margins and a stock surge. But his other goal of reviving same-store sales in the face online competition remains elusive. Such sales fell 2.7 percent in the second quarter.