Dr. Wan C Tan is an Honorary Professor in the Department of Medicine, University of British Columbia, BC, Canada and the Division of Respiratory Medicine, St Paul’s Hospital, Vancouver, BC, Canada. Prior to that she was Professor of Medicine at the National University of Singapore and Consultant Physician and Pulmonologist at the National University Hospital in Singapore. Dr. Tan has long standing involvement with global management guidelines for asthma and COPD. An author of over 200 publications in peer-reviewed journals, Dr. Tan serves as Editorial Board Member and Reviewer for various journals, including Respiratory Medicine, Journal of COPD, Journal of the IUATLD, Respirology, American Journal of Respiratory and Critical Care Medicine, and CHEST she has current major research interests in: hospitalization and re-hospitalizations in COPD; characterization of mild/ early COPD; eosinophilic phenotypes in COPD. She is the Co-Principle Investigator for the longitudinal CanCOLD [Canadian Cohort of Obstructive Lung Disease] Study, the definitive study for measuring and phenotyping COPD in the community.