Facebook founder Mark Zuckerberg wasn't a natural CEO -- and that's what makes his successful leadership of the social network so impressive, writes Ekaterina Walter. Zuckerberg acknowledged his weaknesses and set out to learn from top bosses including Steve Jobs and Bill Gates. "He doesn't shy away from admitting what he doesn't know, and he isn't afraid to ask tough questions, with 'Why?' being his favorite," Walter writes.
Leadership lessons from Mark Zuckerberg