A sommelier is a trained wine professional who specializes in all aspects of wine service and wine and food pairing. They often work in restaurants, helping customers select wines that complement their meals. Sommeliers possess extensive knowledge about different types of wines, regions, and vintages, allowing them to provide expert recommendations. In addition to wine selection, sommeliers are responsible for managing a restaurant's wine inventory and ensuring proper storage conditions. They may also conduct wine tastings and educate staff about wine offerings. Their expertise enhances the dining experience by guiding patrons in making informed choices about their wine selections.