Christina Tosi is a multiple-award-winning American celebrity chef. She is also a successful author of four cookbooks and a TV personality. After graduating in pastry arts from the 'International Culinary Center,' she started working as a safety consultant with fine-dining restaurants in New York City. She got her breakthrough as a pastry chef when she started working with David Chang, the founder of the 'Momofuku' chain of restaurants. She initially assisted him with safety and licensing regulations, but later joined him as his pastry chef. She also partnered with David to establish the 'Momofuku Milk Bar,' which evolved into a chain of bakeries. In 2011, she authored her first cookbook and also appeared on TV for the first time. She became a household name after appearing in the series 'MasterChef.'