Paulo Santos has a position as an Associate Professor and currently works at the Department of Civil Engineering of the University of Coimbra, Coimbra, Portugal. He is an integrated member of the Institute for Sustainability and Innovation in Structural Engineering (ISISE) research centre. His main scientific research fields are thermal behaviour, energy efficiency in buildings, and sustainable construction, with a focus on lightweight steel-framed (LSF) construction systems. He is the author of more than 250 scientific publications. He has nearly 4250 citations and 98,200 reads on Research Gate (Berlin), with an h-index of 30. He has supervised 58 master’s and doctoral theses already completed within his research topics. He participated in around 12 funded European and Portuguese research projects and was the Principal Investigator of the Tyre4BuildIns research project. He was a member of the scientific committee and organiser of several national and international scientific conferences. He has reviewed, by request of the editors, as a member of the journal’s scientific committee, 136 articles submitted to international journals. He is an Editorial Board member of 28 international scientific journals, having 1135 verified editor records. He is a member of TC14–“Sustainability & Eco-efficiency of Steel Construction” of the “European Convention for Constructional Steelwork”–ECCS (2008–present).