I think they aren't extrovert because Bill Gates himself says he's an introvert. http://www.lifehacker.com.au/2013/05/bill-gates-how-to-succeed-as-an-introvert

I think they aren't extrovert because Bill Gates himself says he's an introvert. http://www.lifehacker.com.au/2013/05/bill-gates-how-to-succeed-as-an-introvert/ http://www.lifehacker.com.au/2013/05/bill-gates-how-to-succe... President Obama is a self proclaimed introvert, as is Warren Buffett. Essentially, the two riches men in America and the leader of America are self proclaimed introverts.