He graduated from University of Texas at Austin where he double-majored in English and history. For fifteen years he taught in public and private schools in California and in San Antonio.
Riordan is the multi-award-winning author of the Tres Navarre mystery series for adults and the #1 New York Times best-selling Percy Jackson and the Olympians series for children. His Percy Jackson series features a twelve-year-old boy who discovers he is the modern-day son of a Greek god. The novels draw on Riordan’s experience teaching Greek mythology and his interaction with students who have learning differences. Film rights have been purchased by Twentieth Century Fox and a feature film is in development. Riordan lives in San Antonio with his wife and their two sons.