Can an introvert be an effective leader?

No$,$ because much of leadership is dealing with people and introverts don't have the traits needed of a leader.

Yes, because leaders are elected and with enough party support, anyone can get chosen.

Yes, because leadership is more than just enjoying being with people; it also includes organizing tasks effectively and being trustworthy.

$$ No$,$ because leaders must be able to communicate a vision and introverts cannot be taught to speak in public.