• Cooper: Someone who makes wooden barrels, casks, and other similar wooden objects.
• Négociant: A wine merchant who assembles the produce of smaller growers and winemakers, and sells them under his own name. Sometimes, this term is simply a synonym for wine merchant.
• Vintner: A wine merchant or producer.
• Sommelier: A person in a restaurant who specializes in wine, and is usually in charge of assembling the wine list, staff education and making wine suggestions to customers
  Winemaker: A person who makes wine. May or may not be formally trained.
• Garagiste: One who makes wine in a garage (or basement, or home, etc.) An amateur wine maker. Also used in a derogatory way, when speaking of small scale operations of recent inception, or without pedigree (ie. small scale winemakers of Bordeaux).
• Oenologist: Wine scientist or wine chemist, student of oenology. A winemaker may be trained as oenologist, but often instead uses a consultant oenologist
• Viticulturist: A person who specializes in the science of the grapevines themselves. Can also be someone who manages a vineyard (decides how to prune, how much to irrigate, how to deal with pests, etc.)

Wine References