What is a sommelier?
Wine expert, cellar manager, and guest experience specialist
A sommelier (pronounced suh-mel-YAY) is a trained wine professional, typically working in a restaurant, responsible for building and managing the wine list, advising guests on wine selection, and ensuring proper storage, service temperature, and food pairing.
The word sommelier comes from the Old French "somme," meaning pack animal — the original sommelier was a court official responsible for transporting and overseeing supplies, including wine and food. Today, a sommelier is a wine professional with expertise spanning viticulture, winemaking, wine regions, food pairing, service, and cellar management.
In a restaurant context, the sommelier writes the wine list (selecting and pricing wines that complement the menu and the restaurant's character), manages the cellar (purchasing, organising, and tracking inventory), trains front-of-house staff on wine basics, and advises guests — often under time pressure during service — on pairing choices, decanting decisions, and value selections.
Sommelier is also a certified professional qualification. The Court of Master Sommeliers awards four levels of certification (Introductory, Certified, Advanced, and Master Sommelier). As of 2024, fewer than 280 people worldwide hold the Master Sommelier diploma — the highest and most rigorous wine service qualification in the world.
- A sommelier manages a wine list, advises guests on pairing and selection, and oversees cellar management.
- Court of Master Sommeliers awards 4 certification levels; Master Sommelier is the highest (fewer than 280 worldwide).
- WSET and Master of Wine (MW) are parallel qualification routes emphasising education.
- Sommeliers also work as buyers, educators, consultants, and brand ambassadors.
- The core sommelier skill is personalised recommendation — understanding a guest's palate and occasion.
Other important certifications include the WSET (Wine & Spirit Education Trust, Levels 1–4 Diploma), the Institute of Masters of Wine (the Master of Wine, or MW, is the highest academic wine qualification), and the CMS (Court of Master Sommeliers). Each emphasises different aspects: the MW leans academic and research-focused; the MS emphasises blind tasting and service.
Beyond restaurants, sommeliers work as wine buyers for retailers and importers, as educators, consultants to hotels and airlines, wine writers, and brand ambassadors. The common thread is deep practical knowledge combined with the ability to communicate wine accessibly — to guide someone to a wine they will love, regardless of their level of experience.
The rise of AI wine assistants like Sommvi reflects an interesting cultural moment: sommeliers have always been the gatekeepers of personalised wine recommendation. AI can now deliver something analogous to that service at scale — combining preference data, occasion context, and wine knowledge to replicate the core function of sommelier advice.
Related questions
How do I become a sommelier?
Start with the WSET Level 2 or the CMS Introductory certificate. Work in hospitality to gain service experience alongside theoretical study. Progress through WSET Diploma (Level 4) or CMS Advanced and ultimately Master Sommelier. Many take years to complete the full qualification path.
Should I tip the sommelier separately?
Tipping customs vary by country and restaurant. In the US, a wine-knowledgeable server or sommelier often receives a portion of the table's tip. In fine dining with a dedicated sommelier, a small additional acknowledgement for exceptional guidance is always appreciated but never obligatory.
What is the difference between a sommelier and a wine waiter?
A wine waiter takes wine orders and serves wine. A sommelier has specialist training and responsibility: writing the list, cellaring the wines, advising on pairings, and often managing significant inventory decisions. The distinction is expertise and accountability.
Ask your own wine questions — Sommvi's AI sommelier has the answers.
Download on the App Store