Presenter

A host (sometimes hostess, in feminine form) or presenter is a person or organization responsible for running an event. A museum or university, for example, may be the presenter or host of an exhibit. Likewise, a master of ceremonies (also MC, emcee or host) is a person that hosts or presents a show. In film, a presenter (but not a host) is a usually well-known executive producer credited with introducing a film or filmmaker to a larger audience. A television presenter is a British term (American: host) for a person who introduces or hosts television program. Nowadays it is common for minor celebrities in other fields to take on this role, but there are also a number of people who have made their name solely within the field of presenting, particularly within children's television. Some presenters may double as an actor, model, singer, comedian etc. Others may be subject matter experts, such as scientists or politicians, serving as presenters for a programme about their field of... full article at wikipedia