James Hoffmann is the world champion barista and a pioneer of specialty coffee. He runs Square Mile Coffee Roasters, the first to import specialty coffee in the UK.

He has written How To Make the Best Coffee at Home (Cinco Tintas) and The World Atlas of Coffee. Hoffmann: “At home you can drink one of the best in the world for 40 cents a cup.” He also runs a YouTube channel on how to make a latte at home.