Mark is a professor, since 1986, in the School of Resource and Environmental Management at Simon Fraser University, interrupted in 1992-97 when he served as Chair of the BC Utilities Commission. His PhD is from Grenoble University. Internationally, Mark served on the IPCC, the China Council for International Cooperation on Environment and Development, and the Global Energy Assessment. Domestically, he served on the National Roundtable on the Environment and the Economy and the BC Climate Action Team. He researches the design and application of energy-economy models for assessing climate policies. He is a Fellow of the Royal Society of Canada and the CD Howe Institute, and in 2009 was named BC Academic of the Year by the Confederation of University Faculty Associations. In 2006, his Sustainable Fossil Fuels won the Donner Prize for best policy book in Canada. Since 2013, he holds a distinguished chair as University Professor.