Antonia Lofaso joined Joe Bastianich and Tim Love on the second season of CNBC's "Restaurant Startup," which premiered Jan. 13, 2015. Best known for her role on "Top Chef" Season 4, "Top Chef All-Stars" and "Top Chef Duels," Antonia Lofaso is one of America's most loved chefs. 

A television personality and business owner, Lofaso is currently executive chef and owner of Black Market in Studio City, California and Scopa Italian Roots in Venice, California. With a lifelong passion for cooking, Lofaso chased her dreams and has managed to balance her busy career with being a single parent. She shares her secrets and tips in her book, "The Busy Mom's Cookbook," re-released in paperback, and can be seen as a regular judge on Food Network's "Cutthroat Kitchen."