George Dimitrios Calombaris (born 4 October 1978) is an Australian chef and restaurateur. Calombaris was one of the judges of the Network 10 series MasterChef Australia from 2009 to 2019. Prior to his role on MasterChef Australia, Calombaris appeared regularly on the daytime Network Ten cooking show Ready Steady Cook. He owned several restaurants in Melbourne. His flagship restaurant, The Press Club, was awarded The Age Good Food Guide "Best New Restaurant 2008" with Calombaris named "Chef of the Year 2008". Calombaris draws on his Greek, Cypriot and Italian heritage for inspiration.