Dr. Chris Ryerson is a Professor of Medicine at the University of British Columbia and Head of the Division of Respiratory Medicine at Providence Health Care in Vancouver, Canada. He leads the Canadian Registry for Pulmonary Fibrosis, which supports much of his research on the diagnosis, management, and prognostication of pulmonary fibrosis. He has also led several national and international clinical practice guidelines on the classification, diagnosis, management of pulmonary fibrosis.