Glenn has been working in the environmental field for more than 30 years. His work has included policy development with the Ontario government, consulting on environmental issues, managing a composting company focused on research and development, and launching a lab specializing in the biological testing of soils. He has authored several publications, including a vermicomposting manual for farmers that has been widely distributed globally. Since 2016, he has been with the Compost Council of Canada, where his primary focus is soil health. Currently, he is a principal researcher for a project to develop a roadmap to optimizing carbon in Canada’s managed soils.