Prof. Ashley is a professor in the Departments of Neurosurgery, Paediatrics, Medicine, and Pathology at Duke University. His career in cancer research dates more than two decades, with his primary research focus on the immunology, epigenetics, and genetics of brain tumours. His achievements in research have led to change in practice in the care of both children and adults with brain tumours. Prof. Ashley is highly regarded for his work, as evidenced by numerous awards and invitations to plenary sessions and symposia of international standing.