Susan Powter

Born in Sydney, New South Wales, Australia on December 12, 1957 (age 68)

Susan Powter is an Australian-born American motivational speaker, nutritionist, personal trainer, and author, who rose to fame in the 1990s with her catchphrase "Stop the Insanity!", the centerpiece of her weight-loss infomercial. She hosted her own talk show The Susan Powter Show in the 1990s.