Xabat Oregi Isasi is an architect with degrees from the University of the Basque Country (UPV/EHU (2008), Master in Light Facades by the UPV/EHU (2009) and Master in Energy Efficiency and Sustainability in building and urban planning by the UPV/EHU (2012). He obtained an international doctorate with Cum Laude at the UPV/EHU in the field of application of the lifecycle methodology in processes of energy rehabilitation of buildings (2016). His thesis won the first prize of the best PhD work of the iiSBE Panek Award in Sustainable Build Environment (2016). Between 2008 and 2012, he worked at an energy consultancy. Between 2012 and 2018, he worked as a researcher at the Energy and Environment Division of Tecnalia Research and Innovation research center in the field of energy efficiency and life cycle analysis, and participated in regional, national and international research projects such as H2020, INNPACTO, SUDOE, Intelligente Energy Europe, POCTEFA or ETORGAI. Since September 2018, he has been working as a professor in the Department of Architecture of the UPV/EHU, in the filed of construction.