Mrs. Barrett serves as the Director for the Center on Social Behavior Supports at Old Dominion University and an Implementer Partner with the National Technical Assistance Center on Positive Behavioral Interventions and Supports (PBIS). She assists with large-scale implementation of PBIS, partners with researchers to evaluate the impact of PBIS on students, school staff and school communities and serve on the Association of Positive Behavior Supports Board of Directors. She also co-leads the development of the Interconnected Systems Framework, mental health, and PBIS expansion effort. Susan has been published in the areas of large-scale adoption of PBIS, mental health, cost-benefit analysis, advanced tier system development, and adoption of evidence-based practices in schools.