Mark is a Professor in the Department of Surgery, and a neurosurgeon at the Toronto Western Hospital. His clinical practice focuses on neuro-oncology with research interests in innovative treatment strategies, outcomes, and medical ethics. In 2003 he obtained a MHSc in Bioethics and current CIHR grant supported research interests are focused on exploring various areas of bioethics using qualitative methodology. He is a committed educator and has won numerous teaching awards. He is also committed to international surgery and has been to the developing world many times as a neurosurgical educator.