Meet the Trainers  


Venue-Based Training


Interactive Webinars


Online Videos


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

Gary LaVignaDr. LaVigna is a 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 a 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.

Elizabeth Hughes, Ph.D.

Dr. Hughes is a Clinical Psychologist and Clinical Director of the Institute for Applied Behaviour Analysis in Los Angeles, California, where she oversees the program design and development for children from infancy through transition age. She provides training internationally for personnel in school districts and service organizations regarding positive behaviour practices, school-wide supports, group behaviour intervention, the design of comprehensive curriculum plans, and The Behavioural-Developmental Model. She specializes in training parents and professionals to create effective, person-centered behaviour plans and coordinates the continued refinement of IABA's comprehensive behavioural-developmental curriculum.

Linda Hume, RNLD, PgCert, FHEA, MSc University of Kent, Clinical Doctorate Student at University of Stirling

Linda Hume has recently returned to Edinburgh Napier University following a secondment as the National Lead for Positive Behaviour Support across the UK. This national post brings together a team of skilled practitioners to develop and lead on an organisational strategic approach to positive behaviour support. As a lecturer with Edinburgh Napier University Linda will be leading the delivery of postgraduate modules on Positive Behaviour Support and developing a leadership career pathway for those new to leadership roles in Health & Social Care.

In a previous role, BILD awarded Linda's team the winner of innovation in practice in 2012 for their role in the reduction of the use of restrictive practices in health care settings. Linda's research interests include implementation of Positive Behaviour Support, organisational approaches to reducing the need for restrictive practices, the role of staff attributions in providing person centred support, Person Centred Active Support and practice leadership.


Mailing List


Follow us on FaceBook


Books, Articles and More


Contact Us

© 2019, Institute for Applied Behavior Analysis | PO Box 5743 | Greenville, SC 29606 USA | +1-864-271-4161