Amanda Costello, Ph.D., is an Assistant Professor of Psychological and Brain Sciences at the University of Delaware. Dr. Costello provides training and supervision as part of the ABC dissemination team. Within this role, she is responsible for managing the training and supervision for the In-the-Moment coding and commenting system which measures fidelity to ABC. She also has a strong interest in understanding how to disseminate ABC as effectively as possible outside of the United States. Dr. Costello received her B.S. in Psychology and English from the University of Pittsburgh, and her M.S. and Ph.D. in Clinical Child Psychology from West Virginia University. She completed her clinical internship training at the Medical University of South Carolina. Dr. Costello’s primary research interest lies in assessing variables related to the dissemination and implementation of evidence-based treatments, with a particular focus on interventions to improve parent-child interactions and relationships in infancy, toddlerhood, and young childhood. She has a longstanding interest in implementing such interventions with children and families who are involved in the child welfare system. She is also the proud mother of her son, Gabriel (1).