Fabian Ezema is a Professor at the University of Nigeria, Nsukka, and a visiting professor to NRS-EMT (MATECSS UNESCO Chair) in Varennes, Quebec, Canada and iThemba Labs South Africa. He is also a Fellow of UNESCO-UNISA South Africa Chair in Nanosciences and Nanotechnology (U2ACN2). His research interests are in several areas of materials science including synthesis and characterization of particles and thin film materials through chemical routes with emphasis on energy applications. Fahad Usman is an Assistant Professor of Engineering Technology at the Connecticut State Community College Norwalk, United States. He was a Senior Lecturer and the head of the Department of Physics, Al-Qalam University Katsina, Nigeria and a postdoctoral researcher at the Centre for Advanced Industrial Technology, University of Malaysia Pahang, Malaysia. Fahad was the Director of Institute of Semi-Arid Zone Studies and the pioneer Chairman, Committee for the University Inaugural Lectures, Seminars, Conferences and Public Lectures, Al-Qalam University Katsina. He has been working on the development of optical sensors for medical applications and novel optical materials since 2017 and has authored/co-authored over 45 Scopus/Web of Science (WoS) indexed journal publications including research articles and reviews. Fahad is a regular reviewer of many reputed international journals.Rajan Jose is Chair Professor of Energy and Battery Technology at Ming Chi University of Technology, Taiwan, and Senior Professor at Universiti Malaysia Pahang Al-Sultan Abdullah (UMPSA), Malaysia. He serves as Editor-in-Chief of the Springer Nature journal Materials Circular Economy. He previously served as Dean of Research (Technology) at UMPSA and was also a member of the University's Senate and Graduate Council.He earned his PhD from the Council of Scientific and Industrial Research (CSIR), Trivandrum, India, where his doctoral research focused on nanostructured perovskite ceramics for microwave and superconducting electronics. His research has contributed to the science and engineering of a wide range of materials, including inorganic and organic semiconductors, polymers, metals and alloys, molecular electronic materials, biomaterials, glasses, and glass ceramics.Prior to joining UMPSA, he held research and scientific positions at the Indira Gandhi Centre for Atomic Research (India), AIST (Japan), Toyota Technological Institute (Japan), and the National University of Singapore (Singapore). His scholarly work spans renewable energy technologies, battery materials, sustainable materials, circular economy, data science, and artificial intelligence. He has authored numerous scientific publications, holds multiple patents, and has supervised researchers at postgraduate and postdoctoral levels. His research contributions have received international recognition within the materials science community.His current research interests include renewable energy devices, sustainable materials, circular economy, data science, and artificial intelligence.
