Dr. Ellis is a Professor and Chair of the Division of Allergy & Immunology in the Department of Medicine at Queen’s University. She is the Director of the Environmental Exposure Unit and the Allergy Research Unit at Kingston General Hospital. She is current Vice President of the Canadian Society of Allergy and Clinical Immunology and also serves on the Joint Task for Practice Parameters which is a committee representing the American Academy of Allergy, Asthma and Immunology as well as the American College of Allergy, Asthma and Immunology.