Mathieu Guerin is a student in the Master of Arts in Social and Cultural Anthropology program at Concordia University. He completed the Honours in Anthropology program at Concordia in 2015, after conducting ethnographic research in a polar microbiology lab, and after completing a multispecies study of weeds, plants and permaculture in Montreal. His current research involves composting in Montreal, focusing on how expertise and technology shapes the practices and discourses that surround compost. Mathieu takes a keen interest in the anthropology of biology and of the life sciences, the politics of knowledge production, and multispecies ethnography.