Javier Virués-Ortega is a senior lecturer and director of the Applied Behaviour Analysis programme at that University of Auckland (New Zealand). Before his tenure in Auckland, he has been assistant professor at the University of Manitoba (Canada), post-doctoral researcher at the Insitituto de Salud Carlos III (Spain), and clinical psychology resident (Spain Health Ministry competitive residence program). He has completed pre- and post-doctoral scholarships at the University of Hawai’i and the University of Florida under the supervision of Dr. Stephen N. Haynes and Dr. Brian A. Iwata, both renowned scholars in the field of behavioural assessment. His research focuses on the neural, emotional, and behavioural factors of problem behaviour, particularly among individuals with developmental disability. He also has an interest in the extension of behaviour analysis applications to general clinical psychology and complex language processes. His work has been supported by the Canadian Institutes of Health Research and other reputed international agencies. He is author of over eighty specialized publications.