Mark Zuckerberg No. 25 on 'Fortune' World’s Greatest Leaders

Facebook co-founder and CEO Mark Zuckerberg placed No. 25 on the new World's 50 Greatest Leaders for 2015 list from Fortune.

Fortune50GreatestLeadersFacebook co-founder and CEO Mark Zuckerberg placed No. 25 on the new World’s 50 Greatest Leaders for 2015 list from Fortune.