Justin has been a Senior Lecturer in the Department of Paediatrics since 2008. he is currently the Curriculum and Assessment Lead for Children's Health for the MD program leading the children's health program across  metropolitan and rural sites in Victoria, Austrlalia as well as the Monash University Malaysia children's health course in Malyasia. As a member of the Child Health Management Group, the Year 4C Curriculum Management Committee and the Year 4C Assessment Working Group Dr Brown continues to make a significant contribution to the Department of Paediatrics and delivery of the year 4c course for the Faculty .

My research interests are in the field of paediatric endocinology with special interests in bone health and childhood obesity. I have interdisciplinary collaborations with the Monash Department of Nutrition and Dietietics and am currently a principal investigator with an NHMMRC funded project with interstate adn international collaborators assessing an alternative approach to weight management in obese teenagers with metabolic complications. I also have a colloboration with adult bone health colleagues in delivering studies which bridge the gap between adult and paediatric services.

He has 38 publications and has collaborated on two book chapters in his field of research.