You don't have to have years of experience to make an impact.
Close your eyes for a moment and think of the word leader. What image comes to mind? Through no fault of your own, you will probably see some variation of what society has conditioned us to associate with that word: a man in a crisp suit, perhaps middle-aged, with a sprinkling of gray hair to denote his expertise and wisdom. You may imagine him in a pose that is authoritative and commanding—or even intimidating.