João holds a PhD degree in international relations from the University of Brasília (UnB). He was previously a professor at the Insikiran Institute for Indigenous Education at UFRR, where he first engaged in research with Indigenous Peoples. He is currently interested in contemporary forms of colonialism and struggles for decolonisation, the many branches of postcolonial/decolonial thought and their impacts on international relations, Indigenous Peoples as actors in global politics, and the ethics of research involving Indigenous communities.