David McRaney is an American author and journalist best known for his popular psychology books. Born on December 2, 1977, McRaney gained recognition for his blog and podcast called “You Are Not So Smart,” which explores the various ways people often misunderstand themselves and the world. He later compiled his insights into a book by the same name, “You Are Not So Smart,” published in 2011. The book delves into cognitive biases, self-delusion, and the quirks of human psychology. McRaney’s writing is accessible, engaging, and often humorous, making complex psychological concepts understandable for a broad audience. His work has resonated with readers interested in psychology and human behavior.