front man
front ***
figurehead
nominal head
straw man
strawman

He was the department's front man on cases that drew media attention.

He was a great front man and had the voice for metal.

He was the front man for a band while at a university.

The President was the perfect front man, because he believed it.

Then our front man made the long descent and we lost one.

The Shadow's long arm came across the front man's head.

Neil could get himself a new front man, but that hasn't happened yet.

Okay, so you didn't want to be the front man for the project.

Later on, they decided to look for a front man to help their project band take off.

Until his departure in 1995, he was the group's front man.