When using the term in English jargon, "barista" refers to one who has acquire some level of expertise in the preparation of espresso-based coffee drinks. Within certain circles, its meaning is expanding to include what might be called a "coffee sommelier"; a professional who is highly skilled in coffee preparation, with a comprehensive understanding of coffee, coffee blends, espresso, quality, coffee varieties, roast degree, espresso equipment, maintenance, latte art, etc. James Hoffmann of Britain is the current World Barista Champion.