William Sitwell is the editor of Waitrose Kitchen magazine, can regularly be seen on TV programs such as BBC2's Food & Drink and MasterChef: The Professionals, and writes about food for a variety of newspapers and magazines.

Following an early career in newspapers, he came to prominence in the food world after 1999 when he joined the then titled Waitrose Food Illustrated, of which he became editor in 2002. He subsequently won a string of awards, including "Editor of the Year" in 2005, for the magazine's writing, stories, design and photography. He spends his spare time growing vegetables, cooking, and making cider at his home in Northamptonshire, England, where he lives with his wife, Laura, and their children, Alice and Albert. A History of Food in 100 Recipes is his first book.