Hi, You could say: I've been leading various sport teams (for years now) - If you add "for years now" it sounds like you have a lot of experience, and it indicates that you are doing it now as well. or simply the present: I lead various sport teams. - Here, the time in the past is not really mentioned.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.