Close-up of the SommDay Deductive Tasting Online Course cover, featuring text and a logo, highlighting wine tasting techniques and sommelier certification guidance by Master Sommelier Tim Gaiser.

SommDay Deductive Tasting Online Course

SommDay Deductive Tasting Online Course

Learn to Taste Like a Sommelier – Taught by Master Sommelier Tim Gaiser

Let us break down the basics of wine tasting like the pros do.

The SommDay Deductive Tasting Online Course is a step-by-step introduction to the Deductive Tasting Method, the structured approach that sommeliers use to identify, describe, and evaluate wines with precision and confidence.

Whether you’re in hospitality, preparing for sommelier certification, or simply passionate about wine, this course is your gateway to tasting wine like a true professional.

Why Take This Course?

This online course gives you the language and logic of a professional sommelier’s approach to tasting. Whether you’re prepping for a wine certification or want to refine your palate, the SommDay Deductive Tasting Online Course offers a strong, accessible foundation.

Start Your Sommelier Journey Today

Unlock the secrets of wine tasting and learn to describe wine like a pro. Join Master Sommelier Tim Gaiser in this immersive course and develop the confidence, vocabulary, and tasting skills that every great sommelier needs.

Regular price $149.00
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What You’ll Learn:

Led by Master Sommelier Tim Gaiser, this workshop takes the mystery out of the Deductive Tasting Grid, helping you build confidence in identifying grape varieties, assessing wine structure, and describing flavor characteristics.

By the end of the course, you’ll be able to:

  • Identify the key markers and impact compounds for major red and white grape varieties
  • Use the Deductive Tasting Grid to evaluate wine appearance, aromatics, and palate
  • Apply proper tasting technique, including how to hold the glass and assess structural elements
  • Recognize and describe common wine faults (TCA, VA, oxidation, Brett, and more)
  • Understand cause and effect in wine—from grape to glass
Course Modules:

Module 1: Tasting Overview

  • Create a proper tasting environment
  • Understand visual clues like clarity, color, and viscosity
  • Define and apply the concept of Cause and Effect in wine

Module 2: The Deductive Tasting Grid

  • Learn to smell and interpret wine aromas using the FEW (Fruit, Earth, Wood) system
  • Evaluate the palate for sweetness, acidity, tannin, body, and balance
  • Format accurate conclusions about grape variety, origin, and quality level
  • Identify eight common wine faults and their sensory markers

Module 3: Signatures and Impact Compounds

  • Discover the aromatic and structural signatures of classic red and white grapes
  • Learn the impact compounds that define varietal character

Module 4: Key Markers

  • Match key sensory markers with specific grape varieties and wine styles.
Wine Can Be Complex.
Wine Education Shouldn't Be.

Whether you’re looking to advance in your career with a WSET certification or just be more confident in the wine aisle, we offer the instruction and support you need to achieve your wine education goals. With Napa Valley Wine Academy,  you can:

  • Earn your WSET certification (Levels 1-4) from the world’s largest, most-awarded program provider
  • Get the basics without the stress of certification in our Wine 101 or 201 courses
  • Gain an edge in a certain wine region with one of our specialty certifications
  • Learn hands-on in an immersive wine experience