Adalberto Müller is a full Professor for Literary Studies at Universidade Federal Fluminense (UFF, Rio de Janeiro). He was a Visiting Professor in several universities including Lyon2, Yale, Münster, Buffalo and Trier. He published several essays and books on poetry, translation and film studies, including a monography on Orson Welles and the translation of the Complete Poems of Emily Dickinson into Portuguese. Since 2020, he turned his focus back to his origins and studied Guarani and other Tupi-Guarani languages, as well as begun doing field research among Guarani and Kaiowá peoples Brazil and Paraguay. He is currently a Fellow Researcher at FAPERJ (CNE) and CNPq (PQ-2) working on issues concerning the relationship between Brazilian literature and Tupi-Guarani ontocosmologies. His book Ayvu Rapyta: cosmopoética Guarani Mbyá, which brings together his research on Guarani Cosmologies, was due to be published in 2025.