Director of the ENEIDA Group (Spanish Team for Intercultural Studies on Academic Discourse). The University of León in collaboration with The University of La Laguna, The University of Zaragoza, Jaume I University, Spanish National Research Council, The University of Michigan, The University of London and The Open University. 2010-
Member of the ELCI Group (Estudios sobre la Lengua de la Ciencia). IEDCYT, CCHS, CSIC. 2008-2009.
Member of the ICCI Group (Scientific Information and Communication through the Internet) CINDOC. CSIC. 2007-2008
Member of the CoDis Group (Discourse Coherence). Universidad de Salamanca. 2003-
Member of the ACTRES Group (Contrastive Analysis and English-Spanish Translation). Universidad def León. 1998-2009.