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.

Phil Strain

Strain Phil

University of Colorado, Denver


Phil Strain, Ph.D., is professor of educational psychology and psychiatry at the University of Colorado Denver and director of the Positive Early Learning Experiences Center. He is the author of more than 300 professional papers in the early intervention field, has served on the editorial boards of more than 20 professional journals, has been the principal investigator of grants totaling more than $50 million, and has been recognized with distinguished career awards on three separate occasions. He authored the original grant that funded the development of the LEAP model in 1980 and recently received funding to conduct a long-term follow-up on participants in the randomized trial.




Modifed by Eddie Soh