A long read, but worth reading if you are in this domain: http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx.
Manage Food Service Staff. Food and beverage managers are often responsible for recruiting, hiring, training, evaluating and terminating food service staff members. Personnel management of restaurant staff requires experience as well as interpersonal skills.
The most important job of the food and beverage director imaking sure that all guests have good experiences with the hotel's food service, whether eating at the restaurant, ordering room service or having a special event catered by the establishment.