A presenter, or host (hostess if female), is a person or organization responsible for running a public event. A museum or university, for example, may be the presenter or host of an exhibit. 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
The individual responsible for greeting the focus participants as they arrive at the facility and for preparing the room The responsibilities of a hostess include providing food for the participants and the client observers, rescreening respondents when they arrive, preparing name tags, etc