Gordon Neufeld, Ph.D, is a clinical psychologist in private practice in Vancouver. He has spent much of his professional life creating coherent theories for understanding child development. He is nationally recognized for his work on aggression and violence among children and youth and appears regularly on radio and television, both in Vancouver and nationally.

Dr. Gabor Maté is highly sought after for his expertise on a range of topics including addiction, stress and childhood development. Dr. Maté has written several bestselling books, including the award-winning In the Realm of Hungry Ghosts: Close Encounters With Addiction; When the Body Says No: The Cost of Hidden Stress, and Scattered Minds: The Origins and Healing of Attention Deficit Disorder, and co-authored Hold on to Your Kids: Why Parents Need To Matter More Than Peers. His works have been published internationally in nearly thirty languages.