Carlos Guedes Soares is a Distinguished Professor of Naval Architecture and Marine Engineering at Instituto Superior Técnico, University of Lisbon, Portugal. He received his Master and Ocean Engineer degrees from the Massachusetts Institute of Technology, Cambridge, in 1976, his PhD degree from the Norwegian Institute of Science and Technology, Trondheim, Norway, in 1984, and his Doctor of Science degree from the Technical University of Lisbon, Lisbon, Portugal, in 1991. He is also the Scientific Coordinator of the Centre for Marine Technology and Engineering (CENTEC), a research centre of Instituto Superior Técnico that is recognized and funded by the Portuguese Foundation for Science and Technology. He has supervised more than 55 PhD degree students and co-authored more than 700 journal papers. He has been involved in more than 60 international research projects and 20 national projects as well as the organisation of several International Conferences. He is a Fellow (Conselheiro) of the Portuguese Association of Engineers (Ordem dos Engenheiros) where he has held different responsibilities and duties for more than 30 years. Tiago A. Santos is an Assistant Professor of Naval Architecture and Marine Engineering at Instituto Superior Técnico, University of Lisbon, Portugal. He received the MSc degree from the University of Glasgow, Scotland, UK, in 1999 and the PhD degree from Instituto Superior Técnico, University of Lisbon, Portugal, in 2007. He is currently a member of the Naval Architecture Branch of the Portuguese Association of Engineers (Ordem dos Engenheiros). He has participated in a significant number of national and international research projects, and has co-authored 23 journal papers, 33 conference papers and 7 chapters in books.