Jackie Kallen is a boxing manager, one of the sport's first, and quite possibly most successful female managers. Her life was the inspiration for the film Against the Ropes. She, is currently working as a consultant for Mark Burnett's new reality tv series The Contender. Other consultants for the program include Jeffrey Katzenberg, Sylvester Stallone, and Sugar Ray Leonard. 

Credit: jackie-kallen.biography.ms