Bachelor in Information Science by the University of Granada (1999) and PhD in Information Science by the Charles III University of Madrid (2007). He is specialist in Bibliometrics and Web studies, studying issues related to new scholarly publishing and dissemination ways on the Web (Scholarly social networks, Academic search engines, Altmetrics, etc.). He was trained as researcher in the Cybermetrics Lab of the CSIC. In 2006, he was hired by the Virtual Knowledge Studio of the Royal Netherlands Academy of Sciences and Arts (KNAW) at Amsterdam. Since 2008, he was working for the Vice-presidency of Scientific and Technological Research (CSIC) developing research evaluation and advisory tasks. From July 2018, he is part of the Institute for Advanced Social Studies (IESA-CSIC).