From 2018 Research manager at the UNIR Vice-rectorate for Research.

From 2017 European regional editor for Digital Library Perspectives, a journal published by Emerald Publishing (UK).

From 2013 head of Software documental, research team PAI TIC-238

After being member of the editorial board since 2001, co-editor since 2014 of Revista española de documentación científica, a journal published by Editorial CSIC.

From 1994 until 2017 member of the editorial board of Education for information, published by IOS Press (Holland).

Chairman of AENOR Comité 50 (the ISO TC/46 Spanish mirror) since 2003 until 2008.

Head of the UGR team for RedIRIS SARAC from 1999 until 2005.

Member of the Scientific committee of SEPLN's (1992-1996), AAD's (1999), Online Information's (2002-2006), InSciT's (2006-2007), Librarian@2010's (2007) and Cultural Heritage Online's (2009) conferences.

Editorial staff member of Library Technology, published by LITC, from 1992 until 1996; Member of the editorial board Procesamiento de Lenguaje Natural (1990-1996).

After being member of the editorial board since 1992, co-editor of El profesional de la información journal until 2007.

Member of the editorial committee of the Library and Information Science series, published by Bowker-Saur (UK) in the period 1994-1997.

List ownwer of IweTel's electronic forum from 1993 until 2006.

President of FESABID (2001-2006), member of the Executive committee of EBLIDA (2002-2005; 2007-2008), IFLA-MLAS (2007-2011) and AAPID (1999-2001; 2005-today).

Since 2005 until 2008 member of the Real Patronato de la Biblioteca Nacional.