Nicholas A. Gage, PhD, is a Senior Researcher in Special Education focused on advancing rigorous research and evaluation in special education. Dr. Gage earned a PhD in special education at the University of Missouri and completed an IES NCSERS Postdoctoral Fellowship at the University of Connecticut. His expertise is in supporting schools and districts in leveraging their data resources to best identify and develop effective and efficient systems of support for students’ academic and behavioral needs. Specific expertise includes Positive Behavioral Interventions and Supports (PBIS), Multi-Tiered System of Supports (MTSS), social emotional learning, research design and methodology, direct observation, single-subject research, and evaluation of special education programs and practices. Prior to joining WestEd, he was an Associate Professor of Special Education at the University of Florida, where he taught special education and research methods courses. He has more than 100 peer-reviewed publications in many of the top-tier special education journals and over 200 conference presentations. He serves on nine editorial boards and is associate editor of Exceptional Children, the Elementary School Journal, Preventing School Failure, and Journal of Disability Policy Studies.