GIL TIPPY, PsyD is a founding member of Rebecca School and its Clinical Director. He has evaluated hundreds of children from the Developmental, Individual Difference, Relationship (DIR®) based perspective, having been mentored by Dr. Stanley Greenspan, the late creator of the DIR® model. Dr. Tippy also has a large clinical practice in Oyster Bay, New York. He has two children and lives on Long Island with his wife and daughter.

STANLEY I. GREENSPAN, MD, the world’s foremost authority on clinical work with young children and Clinical Professor of Psychiatry and Pediatrics at George Washington University Medical School, died shortly after finishing his work on this book. His influential books include The Challenging Child and The Growth of the Mind, as well as Engaging Autism and The Child with Special Needs (both coauthored with Serena Wieder, PhD).