> CNPq (master’s degree, Comunicação e Semiótica, COS-PUC/SP, 1993-1997)
> FAPESP (doctoral research, Comunicação e Semiótica, COS-PUC/SP, 1998-2002)
> FAPESP (post-doctoral research, DCA-FEEC-UNICAMP, #02/09763-2, 2003-2006)
> (sponsorship for the organization of the II Workshop on Computational Intelligence and Semiotics -- FAPESP: #02/06640-7; CAPES/PAEP: #0235/02-4)
> CNPq/FAPESB (post-doctoral research,Research Group on History, Philosophy, and Teaching of Biological Sciences, Institute of Biology, UFBA, BA) 

> Visiting Researcher (December 2013-March 2014), Dept. of Philosophy, Universidad de Malaga (scholarship: Fundaccion Carolina).
> Visiting
Researcher (November 2011 - April 2012), Dept. of Comparative Literature, Bloomington Indiana University. Visiting Researcher (December 2009 - March 2010), Science School Faculty, Universidad Politécnica de Madrid (scholarship: Fundaccion Carolina).
> Research Coordination
(2009-2013) of the Institute of Arts and Design, Federal University of Juiz de Fora. Centre director (2007 - 2013) of the Group for Research in Artificial Cognition, hosted by the Informatics Dept., State University of Feira de Santana.
> Visiting Professor (Agosto 2007 - Setiembre 2007), Unidad de Ciencia y Desarrollo, Universidad de la República Oriental del Uruguay. Visiting Researcher (Setiembre 2006), Unidad de Ciencia y Desarrollo, Universidad de la República Oriental del Uruguay.

> Post-doc researcher (2003-2006), School of Electrical and Computer Engineering, State University of Campinas. Visiting Researcher (March 2006 - June 2006), Dept. Filosofía, Universidad de Navarra, Navarra.
> Visiting Professor (March 2006 - June 2006), Dept. Filosofía, Universidad del Pais Vasco, San Sebastian. Professor (2001-2003) at the Dept. of Media Arts, Catholic University of Sao Paulo.
> Visiting Researcher (2001, June), Abdus Salam International Centre for Theoretical Physics, Trieste.

> Visiting Researcher (March - August 2001), Institut de Recherche en Sémiotique, Communication et Education, Universite de Perpignan, Perpignan.

> Visiting Researcher (October - December 1999), Peirce Edition Project,
Institute for American Thought, Indianapolis Indiana University.
> Visiting Scholar (November 1997 - June 1998),
Research Center for Language and Semiotic Studies, Bloomington Indiana University.