Dario R. Bernabeu is a systems engineer at the Instituto Universitario Aeronáutico (University Aeronautic Institute) IUA. He is the co-founder of eGluBI (www.eglubi.com.ar). He specializes in development and implementation of OSBI solutions (Open Source Business Intelligence), project management, analysis of requirements/needs, deployment and configuration of BI solutions, design of data integration processes, data warehouse modelling, design of multidimensional cubes and business models, development of ad hoc reports, advanced reports, interactive analysis, dashboards, and so on. A teacher, researcher, geek, and open source software enthusiast, his most notable publication is "Data Warehousing: Research and Concept Systematization – HEFESTO: Methodology for the Construction of a DW". Being the coordinator of the social network Open BI Network (www.redopenbi.com), he makes many contributions to various forums, wikis, blogs, and so on. You can find his blog site at http://tgx-hefesto.blogspot.com/.