Jennifer Nicole Lee was born Jennifer Nicole Siciliano on in Rochester, New York. Lee serves as the pitch-person for the Ab Circle Pro trainer on the TV infomercial circuit, seen nationally in the US. She is also noted as as a top fitness model, and has won several fitness and entertainment awards over the course of her fitness career.

Lee has appeared on key media such as The Oprah Winfrey Show (1986), where she was highlighted for her weight loss success story. E! Entertainment also awarded her for being one of the "Hottest Women of the Web" in one of their special features. Ms. Lee is signed with BSN, as one of their featured Team Athletes, along with Forrest Griffin, Ty Loomis and Ronnie L. Coleman.

Lee has authored many e-books, including "Crack the Code", "The Fitness Model Program", "The Sexy Body Diet", and also "101 Things Not To Do If You Want to Lose Weight".