Dr. Liang (Grace) Zhou received her PhD from Concordia University, where she also completed projects for Public Works and Government Services Canada to optimize building design for federal net-zero targets. She is now a Senior Research Officer with the National Research Council Canada (NRC) leading the Indoor Air Quality team. Her research focuses include radon control, ventilation and COVID-19  at the National Research Council of Canada. The NRC is the primary national agency of the Government of Canada dedicated to science and technology research & development and the custodian of national building codes.