Bruce Mazer is a professor of pediatrics and the newly appointed Interim Executive Director and Chief Scientific Officer of the Research Institute of the McGill University Health Centre (RI-MUHC). He also is Head of Child Health Research at the Montreal Children’s Hospital of the McGill University Health Centre (MCH-MUHC). Dr. Mazer obtained his MD and trained in pediatrics at McGill University, then completed a fellowship in allergy and immunology at the National Jewish Health Center in Denver, CO. He returned to the Montreal Children’s Hospital (MCH) in 1991 and since then has remained a member of the Division of Allergy and Immunology, and of the research institute at the MCH that later merged with the RI-MUHC. He has been director of the largest pediatric allergy and immunology academic practice in Canada at the MUHC and a research director at the Meakins Christie Laboratories, McGill’s pulmonary research institute. Most recently, he was the Head of the Divisions of Allergy, Immunology and Dermatology at the MCH-MUHC. Dr. Mazer has been very active in chairing RI-MUHC committees, including those responsible for the equipment competition, bridge funding, and evaluation of grant reviews, and he chaired the Research Council from 2008-2014. His research interests include understanding the role of B-cells, plasma cells and Intravenous Immunoglobulin in tolerance and immune regulation, understanding defects in B-cell memory and antibody disorders, and developing novel biomarkers for oral tolerance and food desensitization. He has been funded by the CIHR, the FRQS, NSERC, ALLERGEN-NCE, and Immunodeficiency Canada.