In 1997 David received his PhD in Neuroscience from the University of Toronto. He has been performing intraoperative neurophysiology since 1984 making him one of the pioneers of intraoperative neurophysiology in Canada. For more than 25 years he has continually published in neuroscience journals and has been an invited speaker at national and international meetings. As principle investigator, he has received peer reviewed grants to study intraoperative neurophysiology and traumatic brain injury. In 2008 David became the Founding President of the Canadian Association of Neurophysiological Monitoring and is currently a member of the education committee. David is an Associate Professor in the Faculty of Medicine at the University of Ottawa where he is refining methods for visual pathway monitoring and brainstem mapping during surgery.