These are the key people when you hold your meeting at a hotel:
Sales Director/Manager -- the person who "sells" the property to you as a meeting site - often your first contact at the hotel
Convention Service Professional -- the manager or director responsible for ensuring that your meeting is properly serviced & your contact throughout the entire meeting planning process
General Manager -- the person who oversees the entire hotel
Banquet or Catering Manager -- responsible for any food functions that are part of your meeting
Food and Beverage Director -- responsible for the hotel's restaurant and bar operations
Front Office Manager -- supervises front office operations including reservations, guest registration & switchboard
Audio/Visual Technician -- if the hotel has an in-house AV department, this staff provides AV equipment and technicians to run it
Accounting Manager -- responsible for billing your organization for your meeting