The projector, manager, or conductor, of an opera or concert company.

Any manager who organizes performances of a group.

(Italian) — The general director of an opera company.

a sponsor who books and stages public entertainments

An impresario (from the Italian, meaning, and also cognate of, entrepreneur) is a manager or producer in one of the entertainment industries, usually music or theatre. "Impresario" also refers to the director of an Opera company.