Napa Valley Wine Academy

SommDay Deductive Tasting Online Course



Let us break down the basics…

This workshop is an introduction to the Deductive Tasting Method — the strategy sommeliers use to identify and describe wines. 

This course is ideal for anyone working in hospitality, considering sommelier certification, or just loves wine and wants to improve their tasting skills.

Learn from Master Sommelier Tim Gaiser as he breaks down the Deductive Tasting Grid to help assess the appearance, nose, and palate of a wine. 

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

  • Identify the important signatures of major red and white grape varieties 
  • Learn proper tasting techniques, such as glassware stance
  • Understand the Deductive Tasting Grid — the foundational element of deductive tasting
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Your Wine Guide for SommDay™ Deductive Tasting

Time Gaiser MS

Tim Gaiser

Master Sommelier, Board of Directors for Court of Master Sommeliers, Americas

Tim is an internationally renowned wine expert and lecturer with 25+ years experience in all phases of the wine industry.

  • One of 240 individuals worldwide to attain the elite title of Master Sommelier
  • Former Director of Education and Education chair for the Court of Master Sommeliers, Americas
  • Sits on exam standards and exam development committee for Court of Master Sommeliers

Frequently Asked Questions


This course provides ultimate access and flexibility with 12 months of access.

Tim Gaiser, Master Sommelier, will teach you the proper tasting techniques and more through short video demonstrations (see sample below), online and hands-on exercises, and quizzes.

In this course, we will review the deductive tasting method and take a look at the more important white and red grape varieties with key markers and structural components for identification purposes. Review the following table for a snapshot of the lessons and associated learning objectives you will achieve throughout this course.

Course Format

Online Course


Knowledge Level


Course Type


How We’re Different

We’re Premier, not Pretentious

We design our programs for students, not snobs. We know wines are complex, but believe wine education should be approachable and fun.
(There’s a reason our unique approach is winning awards.)
Helping enthusiasts and professionals become confident wine authorities.


Cancellations of confirmed in-person course enrollments and workshops are accepted up to 60 days before the start of the course. An administration fee of $50 plus the full cost of the study materials and exam fees will be deducted, and the remainder of the course fee refunded to the payee. Separate WSET exam cancellation/transfer rules apply.
Transfers of a confirmed enrollment to another course are accepted 60 days before the course start date with an administration fee of $50.

Cancellations less than 60 days before the in-person course start date or course no shows forfeit any refund/transfer options unless students can provide medical documentation. If medical documentation is provided, students can be transferred to a later course. No refunds will be applied.

Course Transfers cannot be carried forward to the next academic year (which commenced on January 1).

Students are highly encouraged to purchase separate travel insurance.

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