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.
Many developed countries now have more serviced based economies rather than production focused ones, and this shift has created a demand for the food and beverage manager role. Food and beverage managers are key operators of restaurants and institutional cafeterias.