She is an effective leader, but does not think so.
They learn about why it is important to put others' needs first if you want to be an effective leader.
"It is not experience in Washington that makes you an effective leader."
Go back to Washington and show us that you can be an effective leader now, when we really need it.
But there are at least some reasons to hope he can be a more effective leader.
You've done a good job for me; you're an effective leader.
The administration concluded that he was not being an effective leader.
Effective political leaders have to take account of both role demands.
He is the most effective political leader I have ever met.
"He has the qualities to be a strong and effective leader."