A sommelier is a professional who specializes in the study, selection, and service of wines. This includes having extensive knowledge about various types of wine, including their origin, production process, tasting and evaluating qualities, and how they pair with different types of food.
A sommelier's expertise is used to help customers choose the best wine to pair with their meals or to make recommendations for special occasions such as weddings or corporate events.
They may also be responsible for ordering, maintaining, and organizing a restaurant's wine inventory. Essentially, a sommelier is a wine expert who works in the hospitality industry.