Professor at UFSC (Brasil), Dept. of Information Science. Lecturer in the graduate programs in Information Science (PGCIN) and Knowledge Engineering and Management (EGC) and in undergraduate courses of Archiving, Librarianship, and Information Science. Doctorate in Production Engineering (UFSC, 1997, funding by CNPq/Brasil, with research stage abroad at Virginia Tech, 1994-95/scholarship: CNPq, and at the National Institute of Standards and Technology, 1996/scholarship: NIST). Senior postdoctoral research at the Consejo Superior de Investigaciones Cientificas, Centro de Ciencias Humanas y Sociales, Instituto de Filosofia, Madrid, 2015-2016.