Dr. Mark Trozzi is a Canadian physician who has been practicing emergency and trauma medicine for over three decades  He sits on the steering committee for the World Council for Health, which has been at the forefront of pushing back against the official Covid-19 narrative on scientific grounds, and has been an activist with various Canadian organizations such as Vaccine Choice Canada and Justice for the Vaccinated.  Mark is a graduate of the University of Western Ontario Medical School, and has held positions at several institutions including Queen’s University and Schulich School of Medicine.  His website is DrTrozzi.org, which has a thorough library of short and long videos addressing issues related to Covid.