SommelierOS
Certification Center
Prove your wine mastery and earn executive credentials.
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Wine Foundations
Level 1
Mastered the five types of wine and core differences
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Grape Authority
Level 2
Know the essential red and white grapes
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Region Navigator
Level 3
Fluent in the world's elite wine regions
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Pairing Master
Level 4
Confident matching food and wine
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Executive Host
Level 5
Can host a wine-forward dinner with authority
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Wine Connoisseur
Level 6
Advanced mastery of vintage, terroir, and prestige