front man

noun, plural front·men [fruhnt-men] /ˈfrʌntˌmɛn/.

1. a performer, as a singer, who leads a musical group.
2. a person who serves as the nominal head of an organization and who represents it publicly.

noun informal

1. a nominal leader of an organization, etc, who lacks real power or authority, esp one who lends respectability to some nefarious activityGender-neutral form: figurehead
2. the leader or visual focus of a group of musicians, usually the singer