Dr David Wang is a Clinical Associate Professor in the University of Sydney; Senior Scientific Officer in Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital; and Senior Research Fellow in Woolcock Institute of Medical Research. He is a medical graduate from China and obtained his Masters at RMIT University in insomnia research, and PhD from the University of Melbourne in Clinical Sleep Medicine. He is a reviewer for four major funding bodies including Australian National Health and Medical Research Council and National Nature Science Foundation of China, and for over ten reputable international medical journals.