Rosario Arias Callejas is a historian from Universidad Nacional de Colombia. She has worked on projects in collective memory, oral history, life histories, and social movement archives. Her focus includes peacebuilding, land and development, culture, human rights, and knowledge management. She holds a Master’s in Social Studies from Universidad Pedagógica Nacional and a Master’s in Historical Archiving and Memory from Universidad Javeriana in Bogotá. She has been involved with EPI’s projects in Colombia since 2016.