William is an editor, writer and broadcaster, restaurant critic for The Daily Telegraph and former editor of Waitrose Food. William is a regular on the television series MasterChef UK as a quarter final judge. He sets the brief for one group of quarter finalists, and acts as the third judge alongside John Torode and Gregg Wallace. He has also written several internationally successful books on food - Eggs or Anarchy: The Remarkable Story of the Man Tasked with the Impossible: to Feed a Nation at War (2016); A History of Food in 100 Recipes (2017); The Really Quite Good British Cookbook (2017); and The Restaurant: A 2,000-Year History of Dining Out (2020).