Philip Halloran is Professor of Medicine in the Division of Nephrology & Immunology at the University of Alberta, and is director of the Alberta Transplant Institute project. His research focuses on gene expression in transplanted organs, development of immunosuppressive therapy, and somatic cell senescence. He is Editor-in-Chief of the American Journal of Transplantation and chairman of the Board of Trustees of the Roche Organ Transplant Research Foundation. Dr. Halloran is an elected member of the American Society of Clinical Investigation, and is an Officer of the Order of Canada.