Mathieu Brossard is the Quebec regional radiation specialist at Health Canada and has been with the Environmental Health Program since 2008. He holds a baccalaureate and master degrees in biochemistry. He conducted research in diabetes, cancer and bone diseases, which allowed him to specialize in the use of radioisotopes and radiation safety. At Health Canada, he became involved in the measurement of radon in federal buildings, the development of technical mitigation and measurement guidance, as well as mitigation research and standards development.