Jon’s community-based research investigates participatory-mapping processes and tools that are used by communities to help express their relationship to and knowledge of their territories and resources. His work has been published in a number of notable journals, including Cartographica, Participatory Learning and Action, and Information Technologies and International Development, as well as a book entitled Participatory Inventory published by Oxford University Press. Jon has worked with Indigenous communities in Australia, Indonesia, the Philippines, and several First Nations communities in British Columbia, Canada. Recently Jon has been working with the United Nations International Fund for Agricultural Development in Albania, Kenya, Mali, and Sudan for whom he has published a monograph and two strategy documents related to participatory mapping.