The average age of a successful entrepreneur is 40. So for every Zuckerberg, there's a 60-something balancing him out: http://blogs.hbr.org/2013/06/entrepreneur

The average age of a successful entrepreneur is 40. So for every Zuckerberg, there's a 60-something balancing him out: http://blogs.hbr.org/2013/06/entrepreneurs-get-better-with/ http://blogs.hbr.org/2013/06/entrepreneurs-get-better-with/