His current research focuses on implementation and sustainability of school-based interventions, reducing discipline disparities, and integrated academic and behavior support. He is lead author of over 50 publications and principal or co-investigator of over $20 million in federal grant funding. He is Co-Investigator on the OSEP National Technical Assistance Center on PBIS and lead of the Center’s Disproportionality Workgroup, as well as a founding member of the PBIS-SCP Canada Network and a member of the board of directors of the Association for Positive Behavior Support. He has also worked as a school psychologist, teacher trainer, and teacher in both general and special education.