Why is Greg Wallace a judge on a cooking show?

Greg Wallace is a judge on the cooking show "MasterChef" due to his extensive experience in the food industry and his engaging personality. Initially, he gained fame as a television presenter and food critic, which equipped him with a discerning palate and a passion for culinary arts. His ability to provide constructive feedback while entertaining viewers makes him a valuable addition to the judging panel. Wallace's enthusiasm for food and cooking resonates with both contestants and audiences alike.