Douw G. Steyn is a Professor of Atmospheric Science at the University of British Columbia, Vancouver and a member of the Institute for Applied Mathematics, the Institute for Resources, Environment and Sustainability, and the Liu Institute for Global Issues. His research interests include air pollution meteorology, boundary layer meteorology, mesoscale meteorology, environmental science and interdisciplinary science. He is Chair of the scientific committee that leads the International Technical Meeting series on Air Pollution Modelling and its Application. Steyn publishes regularly in the international peer-reviewed literature. He currently serves as editor of the journal Atmosphere-Ocean and on the editorial board of Boundary Layer Meteorology.