Dr Chiang is a clinician trained in Taiwan, specialized in respiratory and critical care medicine, obtained the degree of MPH at UC- Berkeley, US and DrPhilos at University of Bergen, Norway. He joined The International Union Against Tuberculosis and Lung Disease (The Union), Paris, France in 2003 and was Director, Department of Lung Health, The Union, between 2007-2015. Currently, he is an international consultant for TB and lung health of The Union and Professor, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University. He has published more than 170 papers, chapters of books, and monographs.