Dr. Koon Teo, MBBCh, PhD, is a Cardiologist and Professor Emeritus at McMaster University, and provides senior leadership at the Population Health Research institute, Hamilton, ON, Canada. He has served as acting director of the Division of Cardiology at McMaster University and Hamilton Health Sciences and Chief of Cardiology, McMaster University Medical Centre. His wide range of work includes 16 book chapters, 586 articles, and 280 abstracts featured in more than 15 medical journals worldwide. He was the Canadian Principal Investigator for the COURAGE trial, the results of which impact the practice of cardiology worldwide, and for the Canadian Institute for Health Research funded FAMILY study examining the origins of obesity and cardiometabolic risk factors in early childhood. He is Co-Principal Investigator of The International Polycap Study (TIPS). He is also a site investigator for the PURE study, an international longitudinal study of over 200,000 participants and the similar sized International Heart Failure longitudinal studies.