(CNN) Donald Trump has often described his philosophy in business as to surround himself with the best of the best. But when it came to hiring a campaign manager, the Republican presidential front-runner's pick was a small-time political player from New Hampshire.
Corey Lewandowski met Donald Trump backstage at a political event in 2014. The two self-described "high energy" men hit it off, and now this 42-year-old ex-lobbyist is running one of the most politically game-changing campaigns in decades.
But just who is Corey Lewandowski?