Gad Saad (/ˈɡæd ˈsæd/; Arabic: جاد سعد‎; Hebrew: גד סעד‎; born 13 October 1964) is a Lebanese-born Canadian evolutionary psychologist and professor in the John Molson School of Business at Concordia University who is known for applying evolutionary psychology to marketing and consumer behaviour. He also writes a blog for Psychology Today, and hosts a YouTube channel titled "The Saad Truth".