The Court of Master Sommeliers – The Court of Master Sommeliers sets the global standard of excellence for beverage service within the hospitality industry with integrity, exemplary knowledge, and humility.
Sommelier Deductive Tasting Format – The standardized approach that sommeliers around the world use to do blind tasting and evaluate a wine
Wine and Spirits Education Trust – The Wine & Spirit Education Trust provides globally recognized education and qualifications in wines, spirits and sake, for professionals and enthusiasts. Probably the best internationally recognized organization.
Society of Wine Educators – Offer the Certified Wine Specialist and the Certified Spirits Specialist programs. Great option if you are not in a service role.