Giuliano Dall’O’ is a Full Professor of Building Physics at the Politecnico di Milano (DABC), Milan, Italy, and an expert and consultant in many areas related to energy conservation, energy efficiency, use of renewable energies in buildings, sustainability in the building sector, and the smart city approach. He is the author or co-author of more than 20 technical books and more than 200 technical papers, many of which are Scopus- or WOS-indexed. His publications include the previous Springer book ＂Green Energy Audit of Buildings: A guide for a sustainable energy audit of buildings.＂ He is one of the leading authorities, at both the national and European level, on the energy certification of buildings. His areas of expertise include: Energy and Sustainable Planning, Sustainable Energy Action Plans (Covenant of Majors), Energy Certification of Buildings, Energy Audit and Green Energy Audit of Buildings, Zero Energy Building Design, and Smart Cities. Since November 2017, Professor Dall’O’ has been President of the Green Building Council Italia, an association that promotes LEED and other certification protocols for buildings and territories (neighborhoods and cities) throughout Italy.