Joanna Schaffhausen is the author of the Ellery Hathaway series. She wields a mean scalpel, skills developed in her years studying neuroscience, and has a doctorate in psychology, which reflects her long-standing interest in the brain―how it develops and the many ways it can go wrong. She previously worked for ABC News, writing for programs such as World News Tonight, Good Morning America, and 20/20. She lives with her husband and daughter in the Boston area.