Dr. Marie E. Faughnan is a Respirologist and an Associate Scientist in the Li Ka Shing Knowledge Institute of St. Michael’s Hospital. She is an Associate Professor at the University of Toronto. Dr. Faughnan is a clinical epidemiologist, with a research focus on clinical and mechanistic aspects of vascular malformations, with a specific expertise in hereditary hemorrhagic telangiectasia (HHT). Dr. Faughnan is the Director of the Toronto Hereditary Hemorrhagic Telangiectasia Centre and the Scientific Director for CureHHT. Dr. Faughnan has also led the development and publication of the first International HHT Guidelines.