Guillaume grew up in Montreal and joined the NIRB in November 2020. He graduated in construction engineering from his hometown and went on his first international cooperation mandate with World University of Canada in Mongolia. He worked in collaboration with a technical school as well as a private company to develop and exchange capacities on technical and environmental challenges. Back home he did a B.A in sociology focusing on economic and environmental subjects. After obtaining his second degree, he went on another international cooperation mandate for Canada World Youth in Bolivia. He worked with a technical school, assisting on environmental capacity. Guillaume speaks French, English, Spanish and got an interest in languages. In his free time, he enjoys sports, yoga, music, outdoor activities, and sometimes he just enjoys relaxing.