I think people would say a balance of both but I often find people tend to fall into one or the other category. The alphas can be competent enough they do well and because people follow them naturally, their decisions tend to work out okay too.
On the other hand, you can have the more introverted leaders who are thoughtful and build their team around them. They surround themselves with competent people and are good at organizing their team in a way that unites people and their strengths. However, these people are not the ones people naturally look to for leadership and this does make getting people to believe in them difficult.
Any thoughts on which is better? Any books or experience that reflect on this!