The 5th International Gliomatosis Cerebri (GC) Conference will be held in London on September 17-19. This conference builds on the success of earlier meetings in Paris, Bethesda, Barcelona and New York City and aims to bring together clinicians, researchers and families to hear about the latest research in GC and discuss ways to make progress for this disease. The event is invitation only; if interested in attending, please contact Chris Jones, PhD, Institute of Cancer Research at chris.jones@icr.ac.uk.