What describes a professional with extensive knowledge in all aspects of coffee preparation and quality?

A professional with extensive knowledge in all aspects of coffee preparation and quality is best described as a coffee sommelier. This role involves a deep understanding of coffee varieties, cultivation, brewing techniques, and sensory evaluation, similar to how a wine sommelier approaches their field. Coffee sommeliers are trained to recognize the nuances of flavor, aroma, and quality, providing insights on sourcing, processing, and brewing methods that elevate the coffee experience.

While a barista is skilled in preparing and serving coffee, their expertise may not encompass the broader spectrum of coffee quality and preparation that a coffee sommelier typically possesses. Although a coffee blender is involved in creating specific coffee blends, their focus is more limited to the blending process rather than a comprehensive knowledge of all aspects of coffee. A coffee critic, on the other hand, reviews and evaluates coffee products but may not necessarily possess the same depth of knowledge regarding preparation methods and quality.

Thus, the title of coffee sommelier accurately represents an individual who embodies extensive expertise in the coffee industry.