Griffin Doyle is a Clinical Psychologist in private practice treating children of all ages, adolescents, adults and couples. His work has focused for over twenty five years on the DIR developmental model and practice with developmentally delayed, regulatory and autism spectrum disordered children. He also consulted to the Milton and Ethel Harris Research Initiative at York University studying the effectiveness of the DIR model intervention. As an expert witness on attachment/separation, early development and autism spectrum disorders he has served for over ten years in several jurisdictions throughout Maryland, Virginia and West Virginia. Dr. Doyle has been a faculty member of the DIR model Training Institute Program since 2001, a member of the ICDL Advisory Board and a past faculty member (2007 – 2011) of the ICDL Doctoral Program in Infant Mental Health and Developmental Disorders. In addition, he has been a core faculty member for fifteen years and past Co-Chair of the Infant Mental Health Postgraduate Seminar Program at the Washington School of Psychiatry (Washington, DC). His published articles include the subjects of forgiveness, the internal world of the infant and in-depth book reviews on child development and neuro-relational treatment approaches to infants and children. In 2009, Dr. Doyle was cited through a randomized, peer survey conducted throughout the Washington, DC metro area by WASHINGTONIAN magazine as a regional expert clinician in the treatment of autism spectrum disorders.