Petrica Vizureanu, Ph.D., is a professor and researcher at Gheorghe Asachi Technical University of Iasi, Romania. He has over 30 years of experience. In 1999, he earned his doctorate in Materials Science and Engineering. Since 2010, he has been a Ph.D. Supervisor in Materials Engineering. He has written over 200 publications with 190 articles indexed in ISI Web of Science. He has experience in the field of composite materials, ceramic materials, insulating materials, and optimization of materials characteristics. Mohd Mustafa Al Bakri Abdullah is a professor at Universiti Malaysia Perlis (UniMAP). His areas of expertise are concrete processing and testing, geopolymer concrete, green concrete, composite, ceramic, and polymeric concrete. Between 2005 and April 2021, he was appointed to several positions, including College Principal, Deputy Dean (Students Affair), Dean (Centre of Diploma Studies, Director (Research Management Centre), and Acting Deputy Vice Chancellor (Research & Innovation) from 2020 until May 2021. He was awarded Top Research Malaysia (TRMS) in 2013 and received several awards from international and national organizations based on his geopolymer research. He has research funding and collaboration with King AbdulAziz City Science & Technoloy (KACST), Saudi Arabia; European Commission; University of Plymouth, UK; Liverpool John Moores University, UK; and additional universities from Greece, Poland, Romania, and Indonesia. His has written over 650 journal publications based on Scopus Database (with 37 h-index) and over 35 books with 40 patents of his research product. He has been appointed as a Research Advisor to State University of Makassar Indonesia and Associate Researcher in Technical University of Iasi (TUIASI) & Technical University of Cluj-Napoca, Romania and University of Chemical Technology and Metallurgy (UCTM), Bulgaria. Rafiza Abdul Razak is a research fellow at the Centre of Excellence Geopolymer & Green Technology (CEGeoGTech), University of Malaysia Perlis (UniMAP). She is also an Associate Professor at the Faculty of Civil Engineering Technology, UniMAP. She has given numerous invited/keynote talks at international conferences including webinar organized by RAEng Frontiers Champion in 2021, that focus on recycled aggregate. She has published 80 papers, including an impact journal, conference and proceeding papers, book chapters, and as main author and co-author with h-index of 19, many of them are related to the field of geopolymer. She also has a granted patent in this field. She was awarded as young scientist UniMAP for two years in row (2017 and 2018) due to achievement of high publications and research awards below 40 years old. She was awarded a winner for "Double Gold Award" and "Special Recognition Award 2019" in Global Women Innovators Network Awards (GWIIN) in London, UK. Dumitru Doru Burduhos Nergi¿, Ph.D., Eng. is a materials engineering researcher with many years of experience in the field of geopolymers and eco-friendly materials. He has many research articles published in high-ranked journals and books and chapters published by international publishing houses. H-index is 9. He is reviewer or guest editor for highly-ranked Journals, such as Molecules (ISSN: 1420-3049); Sustainability (ISSN: 2071-1050); J. Compos. Sci. (ISSN: 2504-477X); Archives of Metallurgy and Materials (ISSN: 1733-3490) Advances in Materials (ISSN: 2327-252X), Applied Sciences (ISSN: 2076-3417). Coatings (ISSN: 2079-6412) and others. He is also a member of the Organizing committee or Scientific committee of international conferences and congresses in the field of materials engineering, materials science and chemistry. Liew Yun Ming is currently an Associate Professor in Faculty of Chemical Engineering and Technology at Universiti Malaysia Perlis (UniMAP) and a senior researcher at Center of Excellence Geopolymer and Green Technology (CEGeoGTech). Her main field of research includes geopolymers, cement and concrete, and recycled materials. She has pronounced publications (30 impact journals, 3 book chapters and 55 conference papers) with Scopus h-index of 19 and total citation of 1762. She is a leader and co-leader for several research grants provided by Ministry of Higher Education, Malaysia, with value of RM 271,200 (USD 62,380). At the same time, she is also a co-leader in international grants (RM 2.5 million / USD 564,670) provided by European Union (EU) under horizon 2020. Additionally, she has also been appointed as the reviewers for distinguished journal papers, as technical committee member of internal conferences, as editorial board member for several multidisciplinary international journals and as jury for national and international exhibitions. Andrei Victor Sandu is an associate professor in the department of Materials Science and Engineering, Technical University "Gheorghe Asachi" of Iäi. He earned a PhD in Materials Engineering in 2012 with summa cum laudae. He has published over 380 scientific articles, over 350 indexed by SCOPUS and more than 300 indexed by ISI Web of Science. H-index is 26. He is co-author of 31 patents with 9 additional patent applications (Romania, R. Moldova and Malaysia). He has published 9 books, 2 of them in the USA. He is a Publishing Editor for International Journal of Conservation Science (Web of Science and Scopus indexed) and European Journal of Materials Science and Engineering, and a reviewer for more than 20 Web of Science indexed journals. He is a visiting professor at Universiti Malaysia Perlis and President of Romanian Inventors Forum. In addition, he is also a Senior Researcher for National Institute for Research and Development for Environmental Protection INCDPM and Representative for Romania at IFIA (International Federation of Inventors' Associations) and WIIPA (World Invention Intellectual Property Associations.
