Definition: A person who represents a company, industry or cause in the media
A spokesperson is usually a member of a company's marketing
department, another company employee (the CEO or a corporate
communications director), or a member of a public relations firm
hired by the company. Their task is to present a professional
"face" and consistent message for the company in media
interviews.
A spokesperson can also be a celebrity hired to increase the
visibility or reputation of a company in the media. Additionally,
industries often have spokespeople who are experts called upon by
press to represent said industry.