High Quality Content by WIKIPEDIA articles! A presenter, or host (sometimes hostess, in feminine form), 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 films, a presenter (but not a host) is a usually well-known executive producer credited with introducing a film or filmmaker to a larger audience. In broadcast media, especially British, a presenter is the person who hosts, narrates, presents, or takes the main role in the program.