Departamento de Filosofia, Pontifícia Universidade Católica do Rio de Janeiro, Predio Cardeal Leme 1149, Rua Marquês de São Vicente 225, 22453-900 Gávea-Rio de Janeiro, Brazil
Oswaldo Chateaubriand, born in São Paulo, Brazil, grew up in Buenos Aires, Argentina, where he initiated his studies in logic and mathematics at the Universidad de Buenos Aires (UBA). He obtained his Ph.D. in Philosophy at the University of California at Berkeley in 1971. He is presently Professor of Philosophy Emeritus at the Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), where he teaches since 1978, and a senior researcher of the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq). He also taught in the Philosophy Department at the University of Washington (1967-1972), in the Philosophy Department at Cornell University (1972-1977), and in the Graduate Program in Cognitive Psychology at Fundação Getúlio Vargas (1977-1991). He was visiting professor in the Department of Mathematics at the University of São Paulo (1962), and visiting lecturer in the Dept of Philosophy at Harvard University (1972).
He is a founding member of the Sociedade Brasileira de Lógica of which he was president for two terms. He is an external member of the Centro de Lógica, Epistemologia e História da Ciência of the Universidade Estadual de Campinas. Since 2011 he has also been a member of the Institute International de Philosophie.