President of LUA
Logica Universalis Association
Since 2021
Vice-President of LARA
Logic And Religion Association
Since 2021
Coordinator of Graduate Studies in Philosophy
Federal University of Rio de Janeio
2019-2021
President
Brazilian Academy of Philosophy
2018-2020
Visiting Researcher
Ecole Normale Supérieure, Paris, France
2017-2018
Visiting Professor
Department of Philosophy
University of California, San Diego, USA
2014-2015
Titular Member
International Academy for
the Philosophy of the Sciences

Since 2015

Vice President
Brazilian Society of Logic
2014- 2017

Member GeTFun
Marie Curie project
PIRSES-GA-2012-318986
funded by EU-FP7
2013-2016
Researcher
Brazilian Research Council
Since 2012
Titular Member - since 2012
Brazilian Academy of Philosophy
Director of International Relations (2012-2018)

Visiting Professor
Ludwig Maximiilan University,
Munich, Germany
Department of Philosophy

2011 - 2012

Professor
Federal University of Rio de Janeiro
Department of Philosophy
Since 2010

Research fellow
University of São Paulo, Brazil
Institute for Advanced Studies
1994-1995
Professor/Researcher
Brazilian and Cearense Research Councils
Federal University of Ceara, Fortaleza

2008-2010
Professor/Researcher
Swiss National Science Foundation
University of Neuchâtel

2002-2008
Visiting Scholar
Stanford University, USA
Center for the Study of Language and Information

2000 - 2001
Researcher
Rio de Janeiro Science Foundation
National Laboratory for Scientific Computing
1996-1999

Invited Professor
Federal Fluminense University, Brazil
Department of Mathematics

1998-1999
Fulbright Research Scholar
University of California at Los Angeles
Department of Mathematics
1995
Research fellow
University of São Paulo, Brazil
Department of Philosophy
1991-1992
Research fellow
University of Wroclaw, Poland
Department of Logic
1992-1993