Susan Powter

Known for: Acting

Born: December 11, 1957 in Sydney, New South Wales, Australia

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.