General Paediatrician and Immunologist at Perth Children’s Hospital and Director of the WA Child and Adolescent Health Research Network. He heads the Vaccine Trials Group, a multidisciplinary research group which provides a coordinated approach to the development, delivery, assessment and promotion of vaccines in our community. His major research interests are in the prevention of meningitis, pneumonia and otitis media and understanding susceptibility to infections in children. He has authored over 200 scientific publications in these areas and has worked in meningococcal vaccine research for over 20 years.