Sentence examples for a leader on from inspiring English sources

Is China a leader on tackling climate change or one of the biggest contributors?

"Kerry is a leader on this team.

"I really think he'll be a leader on their squad".

I commended him for being a leader on the issue".

"You're a leader on so many important issues".

Rivera is obviously a leader on this team.

As does Ray's tenure as a leader on the Eskimos.

The New York Times should be a leader on this.

He is also a leader on the field.

He took the initiative to be a leader on offense".

I think we need to be a leader on this.