Peter Elias holds a PhD in Geography from the University of Ibadan, Nigeria. He is a Senior Lecturer at the Department of Geography and a team lead of the Lagos Urban Studies Group, University of Lagos. He is an urban and regional planner and a development geographer. He uses his expertise in transdisciplinary research for deprived area mapping at the city or neighbourhood Level, co-design and co-production of knowledge, citizen science data, stakeholders’ engagement, and urban data governance framework in low-and middle-income countries. He is a co-chair of the CODATA-WDS TG on data from Participatory Mapping for the SDGs and Knowledge Task Group. He is the West African coordinator of the Citizen Science African Association.