Dr. F. Pacheco-Torgal is a principal investigator at the University of Minho, in Portugal. He currently holds the title of Counsellor from the Portuguese Engineers Association and has authored more than 300 publications. He is a member of the editorial boards for 9 international journals. He has acted as a foreign expert in the evaluation of 30 PhD theses. In the last 10 years he has been a Member of the Scientific Committee for almost 60 conferences most of them in Asian countries. He is also a grant assessor for several scientific institutions in 15 countries including the UK, US, Netherlands, China, France, Australia, Kazakhstan, Belgium, Spain, Czech Republic, Chile, Saudi Arabia, UA. Emirates, Croatia, Poland, and the EU Commission. He has also been an invited reviewer for 125 international journals and has reviewed almost 1200 papers and has been the lead editor of 27 books. Prof. Lech Czarnecki PhD, D.Sc. – is the Scientific Secretary of Building Research Institute, ITB, former the Head of the Building Materials Engineering Department of (1981-2011) and the Vice-Rector for academic affairs ( 2002 – 2005 ) of Warsaw University of Technology. He was the President of International Congress on Polymers in Concrete (2006-2011). Professor was awarded “for eminent activities in new frontiers of building materials engineering” by the Society of Materials Engineering for Resources of Japan in 2009 and “for distinguished service and leadership in the field of polymers in concrete” Owen Nutt Award in 2004.Author of more than 250 publications and Department editor of Bulletin of Polish Academy Science Technical Science. Chemical engineer from the Institut Químic de Sarrià in 1992, industrial engineer from University Ramon Llull in 1993, master in industrial business management in 1995, and doctor industrial engineer in 1996 from the same university. Post-doctoral researcher at the Eastern Regional Research Center (ARS, USDA) in Philadelphia, USA between 1996 and 1998. Since 1999 at the University of Lleida, where she created the research group GREA Innovació Concurrent, recognized as a SGR group in 2004 (today GREiA 2017SGR1537), TECNIO group in 2007 and with international prestige in the field of thermal energy storage. From 2014 to 2018, she was a visiting professor at the Faculty of Art, Design and the Built Environmental, School of the Built Environment, University of Ulster. She has published more than 350 indexed articles and participated in more than 250 conferences. She has co-edited 5 research books and is the author of one, in addition to publishing 15 book chapters. She has participated or coordinated more than 30 research and innovation projects (local, national, European or international), most of them with participation of industry. All her research career led her to become a Spanish representative in the Horizon 2020 Energy Committee Challenge 3 and in the ECES Implementing Agreement of the International Energy Agency, and she has participated in the drafting of 2 IPCC reports (SREEN and AR5), participating in the currently, in the third as CLA (AR6). In the teaching field, throughout all these years, at the University of Lleida, she has taught in the degrees of Industrial Technical Engineering, mechanical specialty, Technical Architecture, Degree in Mechanical Engineering, Degree in Electronic Engineering, Master in Applied Sciences for Engineering, Master in Industrial Engineering and Master in Computer Engineering from the Higher Polytechnic School of the University of Lleida since 1999. Previously, her teaching activity was at the Institut Químic de Sarrià and at the UPC, although for a limited time. Luisa F. Cabeza is Professor at the University of Lleida (Spain) where she leads the GREA research group. She has co-authored over 100 journal papers and several book chapters. Luisa F. Cabeza received her PhD in Industrial Engineering in 1996 from the University Ramon Llull, Barcelona, Spain. She also holds degrees in Chemical Engineering (1992) and in Industrial Engineering (1993), as well as an MBA (1995) from the same University. Her interests include the different TES technologies (sensible, latent and thermochemical), applications (buildings, industry, refrigeration, CSP, etc.), and social aspects. She also acts as subject editor of the journals Renewable Energy, and Solar Energy. Claes Goran-Granqvist is Professor in the Department of Engineering Science at Uppsala University, Sweden. Professor Granqvist's research is focused on optical and electrical properties of materials, especially thin films for energy efficiency and solar energy utilization. He has published around 730 research papers in mostly refereed journals, over 30 books, had invited conference presentations at about 250 international conferences and chaired about 30 international meetings.