Dr. Laperriere is a staff member in the Department of Radiation Oncology and Head of clinical programs in Central Nervous System and Ocular Oncology, and Pediatric Radiation Oncology at Princess Margaret Cancer Centre in Toronto, Canada. He earned his medical degree from the University of Toronto in 1978 and completed his training in Radiation Oncology at Princess Margaret in 1984. He is a Fellow of the Royal College of Physicians and Surgeons of Canada, an Honorary Fellow of the Royal Australian and New Zealand College of Radiology and a Professor in the Department of Radiation Oncology, University of Toronto. His research interests have focused on new approaches in the management of patients with primary and secondary central nervous system and eye tumors in children and in adults.