Prof. Dr. Sandro Nižetić is a Full Professor at the Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture (FESB) at University of Split (Croatia). His research is in the field of thermodynamics, energy, energy efficiency in buildings, smart technologies and renewable energy sources. He has worked on various projects related to the implementation of energy efficiency measures in public buildings under the auspices of UNDP (United Nations Development Programme). He was also the head of the several national research’s projects. He also served as a Deputy Minister in the Ministry of Construction and Spatial Planning in the Croatian government, and also as Vice Dean of Research at FESB. Prof. Dr. Nižetić has published over 200 research and conference papers, as well as several techno-economic professional case studies. He is the Editor-in-Chief of the Energy Sources Part A (Taylor&Francis), Associate Editor in the Journal of Cleaner Production (Elsevier) and Associate Editor in the Solar Energy Journal (Elsevier). For his research work he received several major awards including the National award for the research for 2016 and 2021, as well as also Rector prize for the research from the University of Split for 2018 and 2020.