Joaquín Rodríguez Sánchez, Architect by the University of Valladolid, Spain. Official Masters on Architecture, Energy and Environment by the Polytechnic University of Catalonia, Barcelona. Here he develops his thesis on the energetic efficiency in buildings: “How to make efficient a housing already built: electric consumption and solar energy”, tutored by Dr. Albert Cuchí. He collaborates in architecture firms in Valladolid, where he develops projects of buildings linked with sustainability and energetic efficiency. Specialist in BIM solutions: Autodesk Revit Architecture and ArchiCAD.