Amanda Costello, Ph.D., is a Research Assistant Professor of Psychological and Brain Sciences at the University of Delaware and a licensed psychologist in the state of Delaware. She oversees all clinical training of supervisors and staff and provides expert training and supervision as part of the ABC dissemination team. She also has a strong interest in collaborating with international partners to disseminate ABC with fidelity and in a culturally responsive manner. Amanda received her Ph.D. in Clinical Child Psychology from West Virginia University and completed her clinical internship training at the Medical University of South Carolina. Amanda’s primary research interest lies in assessing variables related to the dissemination and implementation of evidence-based treatments, with a particular focus on interventions that enhance and strengthen parent-child relationships in infancy, toddlerhood, and young childhood. A longstanding focus of her work has been partnering with children, families, and providers who are involved with the child welfare system. She is also the proud mother of her son, Gabriel (3).