As a Head Sommelier, you will need to master following:

• assist customers
• check wine quality
• compile wine lists
• organise wine cellar
• prepare alcoholic beverages
• procure hospitality products
• recommend wines
• select glassware for serving
• serve wines
• sparkling wines
• wine characteristics
• wine related sciences

More generally, a head sommelier is also versed in:

• coach employees
• comply with food safety and hygiene
• ensure maintenance of kitchen equipment
• maintain customer service
• manage medium term objectives
• manage stock rotation
• monitor work for special events
• order supplies
• recruit employees
• schedule shifts
• train employees
• types of wine
• upsell products

It also helps to know the following:

• prepare tableware
• apply foreign languages in hospitality
• handle surveillance equipment