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Gary LaVigna

Gary W. LaVigna, Ph.D., BCBA-D

Dr. LaVigna is co-founder of the Institute for Applied Behaviour Analysis in Los Angeles, California. He is an internationally recognised authority, consultant and lecturer on establishing nonaversive behavioural support services for people who are responding to their life conditions with severe and challenging behaviour. His work is reported in numerous articles and books. Dr. LaVigna is passionate about using positive behavior support strategies to improve the quality of life for individuals who have complex and challenging needs. His passion for using positive practices is evident through-out all of his trainings and writings.

Thomas J. Willis, Ph.D.

Dr. Willis is co-founder of the Institute for Applied Behavior Analysis in Los Angeles, California. With decades of experience as a behavioral consultant and workshop leader, he has coauthored numerous articles and chapters on providing person-centered behavioral support to people with severe and challenging behavior. He is an internationally recognized authority and lecturer on the topics of behavioral assessment, positive behavioral support and staff management strategies for total quality assurance. He is an energetic and animated speaker who has provided training to thousands of professionals in half a dozen countries.

Photo to be added soon.

Elizabeth Hughes, Ph.D.

Dr. Hughes is a licensed Clinical Psychologist and Clinical Director of the Institute for Applied Behavior Analysis in Los Angeles, California. She spends much of her time as a guest lecturer, training personnel in school districts and service organizations regarding positive behavior practices, group behavior intervention, the design of comprehensive curriculum plans, and The Behavioral-Developmental Model. She specializes in the diagnosis and treatment of pervasive developmental disorders, including individuals on the Autism Spectrum, the creation of training programs for professionals and parents, and the continued refinement of IABA's comprehensive behavioral developmental curriculum.



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