Aaron Fenster, PhD, is a Scientist at the Robarts Research Institute, London, Ontario, Canada, and founder and past director of the Imaging Research Laboratories, at the Robarts Research Institute. He is a Professor and Chair of the Division of Imaging Sciences of the Department of Medical Imaging at The Western University. In addition, he is the founder and past Director of the graduate program in Biomedical Engineering and past Director of the Biomedical Imaging Research Centre at Western University.