Jonathan Seth Kellerman is an acclaimed American novelist and psychologist. Kellerman graduated from the University of Southern California (USC) with a Ph.D in Psychology in 1974. He is an Edgar Allan Poe and Anthony Boucher Award-winning author best known for his popular mystery novels featuring the character Alex Delaware, a child psychologist who works for the Los Angeles police department. He wrote five best selling novels while still a practicing psychologist. In 1990 he quit his private practice to start a full-time writing career. Jonathan is married to bestselling novelist Faye Kellerman and they have four children.