Research interests include: Brain arteriovenous malformations: pathological physiology, mechanisms of presentation, imaging and therapy Hereditary haemorragic telangiectasia (HHT): genotype-phenotype interaction, the role of epigenetics Vessel wall pathology in aneurysms Non-invasive imaging of vascular disease Spinal vascular malformations: predictors of outcome Epilepsy imaging: genotype-phenotype correlations

• Medical Imaging Radiologist, Aneurysm Clinic, Krembil Neuroscience Centre, University Health Network
• Neuroradiology Program Director and Professor, Department of Medical Imaging, University of Toronto