According to Jamie Dimon, chairman and CEO of JPMorgan Chase, the most successful leaders have certain key traits.

"[H]umility, openness, fairness [and] being authentic" are most important – "not [being] the smartest person in the room or the hardest working person in the room," Dimon, who runs the nation's largest bank and oversees more than 250,000 employees globally, told LinkedIn editor in chief Daniel Roth in a recent video.