James Randi (born August 7, 1928) (stage name The Amazing Randi) is a Canadian American stage magician and scientific skeptic best known as a challenger of paranormal claims and pseudoscience. Randi is the founder of the James Randi Educational Foundation (JREF). Randi began his career as a magician, but when he retired at age 60, he switched to investigating paranormal, occult, and supernatural claims, which he collectively calls "woo-woo."