Canadian food critic Gail Simmons was born in Toronto. She attended McGill University, majoring in anthropology and Spanish. She later graduated summa cum laude but became known for her restaurant reviews in their school paper. She also pursued her education in the culinary arts, enrolling in New York City's Institute of Culinary Education. Later on, she apprenticed at Le Cirque and Vong.
Her career in food journalism took off, particularly when she moved on to the monthly Toronto Life magazine. Soon, she was tapped by the National Post, as well as the daily Globe and Mail. In 2004, she joined the staff of Food & Wine Magazine. She works on the epicurean magazine's chef related events and programs. She has also contributed to several cookbooks including Must've Been Something I Ate by Jeffrey Steingarten, Daniel Boulud Cooking in New York City, and The New American Chef by Karen Page & Andrew Dornenburg.
She also gained attention for being one of the judges and critics for the reality show Top Chef, where she lends her strong culinary expertise. Since then, she hosted the show's spin-off: Top Chef: Just Desserts. It premiered in September 2010. Joining her as judges are Johnny Iuzzini, Dannielle Kyrillos, and Hubert Keller. She was also chosen as one of the 2010 Forward 50 by the Jewish Daily Forward.