Matthew R. Sanders, PhD, is a Professor of Clinical Psychology, founder of the Triple P--Positive Parenting Program, and Director of the Parenting and Family Support Centre at the University of Queensland. He is considered a world leader in the development, evaluation, and global dissemination of evidence-based parenting programs. He has conducted a large number of high quality projects on the role of parenting in influencing developmental outcomes in children and adolescents. He has developed or co-developed a range of specific parenting programs. His work has been recognized with a number of international awards.
Trevor G. Mazzucchelli, PhD, is a Senior Lecturer of Clinical Psychology at Curtin University's School of Psychology and Speech Pathology and an Honorary Senior Lecturer at the Parenting and Family Support Centre at The University of Queensland. Over the past 20 years, he has held several clinical positions, conducted research in the area of parenting children with disability, and written many articles on this and related topics for scientific journals and publications. He is a co-author of Stepping Stones Triple P for parents of children with a developmental disability.