Greg Knoll is the Chief, Division of Nephrology at the Ottawa Hospital. He is Professor of Medicine, University of Ottawa Department of Medicine. He currently holds the University of Ottawa Chair in Clinical Transplantation Research and is a Senior Scientist with the Clinical Epidemiology Program of the Ottawa Hospital Research Institute. He is a Past-President of the Canadian Society of Transplantation. He is involved in ongoing studies related to the measurement of quality in kidney transplantation, cardiac screening in kidney transplant candidates, systematic reviews on immunosuppressive strategies, and health services outcome studies in kidney transplantation. He is the Co-Chair of the KDIGO guidelines on the Evaluation and Management of Candidates for Kidney Transplantation.