Captain has the final authority
Deputy captain is the second-in command
Chief engineer oversees all the mechanical equipment
Chief medical officer, or doctor, tends to the health of the passengers
Chief radio or communications officer oversees in-room satellite TV programming
Cruise director ensures that all hotel operations on the ship are properly implemented
Purser is in charge in all phases of guest stay
Shore excursion manager/concierge orchestrates the operation and booking of port-based packages
Executive chef manages the French kitchen brigade on the ship
Food and beverage manager oversees the dining team