He is the founder of CanTeen, the acclaimed cancer patients’ support group for teenagers in Australia and New Zealand. In 1995 he was appointed an Associate Professor in the Department of Paediatrics at the University of Melbourne. In 2003 he was one of the founding members of the National Coalition Against Bullying and became one of their national spokespersons. He is the author of eight books, the Parenting Expert on Channel 7’s top rating Sunrise program, has a regular spot on Fairfax radio 3AW and writes regular columns for magazines such as Girlfriend and New Idea. He is married with two sons and is a much sought after speaker on issues affecting adolescents and their parents.