Dr. Squires has served as principal investigator on research studies at the University of Oregon on the ASQ system. She is a professor in special education, focusing on early intervention and early childhood special education. She directs the Early Intervention Program and is associate director of the University of Oregon Center for Excellence in Developmental Disabilities. Dr. Bricker is the former director of the Early Intervention Program at the University of Oregon and a key developer of the ASQ and AEPS® systems. She has focused her professional career on the development and study of assessment systems and intervention approaches for young children with disabilities and those at risk for developing disabilities. Dr. Bricker has been instrumental in the development of graduate-level personnel preparation programs that have produced professionals who are delivering quality services to thousands of young children and their families. She has published extensively in the field of early intervention. Misti Waddell, M.S., is a Senior Research Assistant/Project Coordinator at the Early Intervention Program at the University of Oregon. She also has contributed to the development, research, and training of AEPS® since the early 1990s. She has used the AEPS in classroom settings and has coordinated several federally funded, field-initiated research projects and outreach training projects. Ms. Waddell is Project Coordinator for the outreach training project titled ""Creating and Sustaining Change Across Diverse Early Intervention Systems (CASCADES). Kristin Funk, MA, LCSW is a Licensed Clinical Social Worker and a Senior Research Assistant and Project Coordinator in the University of Oregon’s Early Intervention Program. Kris has worked on and coordinated several community-based and systems-change grants, including Project SEAM: Preventing Behavior Disorders and Improving Social–Emotional Competence in Infants and Toddlers with Disabilities, a five-year research project to conduct psychometric studies for validation of the Social–Emotional Assessment Measure™ (SEAM). Kris has conducted extensive training with early childhood teachers and parents in implementing social emotional curriculum and developmental and social emotional screening, assessment and intervention, including the Assessment, Evaluation and Programming System™ (AEPS) and the Ages & Stages Questionnaires™ (ASQ-3) and Ages & Stages Questionnaires: Social Emotional™ (ASQ:SE).