Amir Levine, M.D. is an adult, child, and adolescent psychiatrist and neuroscientist. While working with mothers and children in a therapeutic nursery, that he first discovered the power of attachment theory. His clinical work together with his deep understanding of the brain from a neuroscientist's perspective contribute to his appreciation of attachment theory. Amir lives in New York City. Rachel Heller, M.A. studied at Columbia University with some of the most prominent scholars in the field of social psychology. She now works with families and couples as a psychologist in private practice. Rachel lives in Israel.