Callum Hann After watching the poor diets and cooking habits of his friends, Callum Hann has developed a recipe book that caters to students and beginner chefs. Callum nabbed the second-place spot in the 2nd series of MasterChef Australia ad, despite being all of 20, wowed the judges and the viewers with his exceptional cooking. He is now travelling around Australia, sharing his love of food and passion for cooking with young people all over the country. Read More Read Less