Another post from me at Voce:

We at Voce have managed loads of fan events and meetups for our clients, and that’s outside of the live-event coverage where fan interaction is part of the itinerary. These kinds of meetups, which can be for a select group of influential individuals, the general public or some mixture of both, provide a unique experience for everyone involved. Having managed a few of these here are some considerations to keep in mind and questions to ask:

Source: Making Your Marketing Experiential « Voce Communications