Miguel-Angel Sicilia is an associate professor, Computer Science Department at the University of Alcala. He is currently the head of the Information Engineering research unit, where he leads several European and national research projects in the topics of learning technology and Semantic Web. He obtained a University degree in Computer Science from the Pontifical University of Salamanca in Madrid, Spain and a PhD from Carlos III University. He is the Editor-in-Chief of the International Journal of Metadata, Semantics and Ontologies, published by Inderscience, and serves as member of editorial board of many other scientific journals in the area of Semantic Web, Computational Intelligence and Information Systems. He has been active in metadata research and was awarded the 2006 Cyc prize for the best research paper. Dr. Sicilia leads the Special Interest Group on Reusable Learning Objects (SIGRLO) in the Association for Information Systems, and chairs the SPDECE conference series, the premier latin-american pluri-disciplinary event on learning objects.