Association for Behavior Analysis International

The Association for Behavior Analysis International® (ABAI) is a nonprofit membership organization with the mission to contribute to the well-being of society by developing, enhancing, and supporting the growth and vitality of the science of behavior analysis through research, education, and practice.

Dean L. Fixsen

Fixsen Dean

Florida Mental Health Institute


Dean L. Fixsen, Ph.D. began his career in human services in 1963 as a psychiatric aide in a large state hospital for children with profound developmental delays.  Dean received his doctorate in experimental psychology from the University of Kansas in 1970. Dean has spent his career developing and implementing evidence-based programs, initiating and managing change processes in provider organizations and service delivery systems, and working with others to improve the lives of children, families, and adults.  Over the past five decades, Dean has co-authored over 100 publications including the highly regarded monograph, Implementation research: A synthesis of the literature (  He has served on numerous editorial boards (including Implementation Science; and has advised federal, state, and local governments.  Dean currently is a Senior Scientist at the Frank Porter Graham Child Development Institute, University of North Carolina at Chapel Hill.  Dean is Co-Director (with Karen Blase) of the National Implementation Research Network (; Co-Director (with Karen Blase, Rob Horner, and George Sugai) of the State Implementation and Scaling up of Evidence-based Practices (SISEP) Center (; and Co-Chair (with Bianca Albers and Jennifer Schroeder) of the Global Implementation Conference (

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