Nuno Ribeiro is an auxiliary researcher at IELT – Institute for the Study of Literature and Tradition (NOVA - FCSH), with a project (reference CEECIND/08872/2023) financed by the Foundation for Science and Technology within the scope of the Individual Scientific Employment Stimulus Competition - 6th Edition. He has a PhD in Philosophy - in the area of Aesthetics - from the Faculty of Social and Human Sciences of the New University of Lisbon, with a thesis on Pessoa's philosophical archive entitled Tradition and Pluralism in the Philosophical Writings of Fernando Pessoa, having been subsidized with a grant from the Foundation for Science and Technology (April 2008 to April 2012). He developed a post-doctoral research funded by the São Paulo Research Foundation (FAPESP), at the Federal University of São Carlos (November 2012 to October 2015), on Fernando Pessoa’s and Ludwig Wittgenstein’s archives. He also carried out post-doctoral research funded by the Department of Philosophy of the University of São de Paulo, within the scope of the PNPD/CAPES program (December 2016 to July 2017). He also developed post-doctoral research on Fernando Pessoa at the Institute for the Study of Traditional Literature (New University of Lisbon/ Faculty of Social and Human Sciences), with funding from the Foundation for Science and Technology (September 2017 to October 2023). He graduated in philosophy at New University of Lisbon (2003-2007), having won a merit scholarship. He is the author of books, articles and book chapters published in Europe, Brazil and the United States, with a special focus on the work of Fernando Pessoa.