He is also a member of the international North American based Children’s Oncology Group (COG) CNS Tumour Committee and leads the COG’s upfront clinical trial for patients with WNT-driven medulloblastoma. He collaborates extensively both nationally and internationally; he is a founding member of the Brain Cancer Discovery Collaborative (BCDC) – a collaborative network consisting of the best brain cancer scientists and clinicians across Australia and a member of the International Medulloblastoma Working Group.