Xiaolin Wei is a Professor and Dalla Lana Chair of Global Health Policy at the Dalla Lana School of Public Health, University of Toronto. Professor Wei is an internationally recognized leader at using implementation science frameworks in health service research, specifically in the control of tuberculosis, diabetes and antimicrobial resistance (AMR). His scholarship has reformed health policies to promote quality and equitable care in COVID-19, tuberculosis, AMR and diabetes at national and global levels. He has served as the Vice President and Secretary General of the International Union Against Tuberculosis and Lung Disease in driving global TB policy change.