Omotayo Sanni is a researcher in the Department of Chemical Engineering, University of Pretoria, Pretoria, South Africa. She obtained a doctoral degree in Chemical Engineering from the Tshwane University of Technology, Pretoria, South Africa. She has demonstrated expertise leading to the publication of several reputable, peer-reviewed journal articles and presentations at national and international conferences. Kingsley Ukoba is a lecturer and researcher in the Mechanical Engineering Science department of the University of Johannesburg, South Africa. He obtained a doctoral degree in Mechanical Engineering from the University of KwaZulu-Natal, Durban in South Africa, graduating among the top 15 researchers. He coordinates the smart energy group for JENANO headed by Professor Jen. He is among the authors for the African Integrated Assessment report by the United Nations Environment Programme, African Union Commission, CCAC and Stockholm Environment Institute (SEI) joint publication. He is also a 2022 Engineering for Change (E4C) fellow sponsored by American Society of Mechanical Engineers (ASME) to support an Impact Project around Climate Action. He has authored books, book chapters and journal articles, presented in conferences and serves as a reviewer for high impact journals and conferences. Jianwei Ren is currently working as a full professor at Department of Chemical Engineering, University of Pretoria (UP). His research interests cover automatic data acquisition, process control, materials science and advanced manufacturing, H2 and fuel cell technologies, ALD technologies, system integration, waste and drinking water treatment for sustainable environment. He has published 160 journal articles, 50 conference proceedings, two patents, 13 book chapters and presented in over 60 international and local conferences. Tien-Chien Jen is the head of department of Mechanical Engineering Science at the University of Johannesburg, South Africa. Prior to that, he was a faculty member at the University of Wisconsin, Milwaukee, United States of America. Jen received his Ph.D. in Mechanical and Aerospace Engineering from University of California, Los Angeles (UCLA), specializing in thermal aspects of grinding. He is currently leading the drive for application of atomic layer deposition equipment (first of its kind in Africa) for various applications (hydrogen, renewable energy, thin films, etc.). He is a fellow of the American Society of Mechanical Engineers (ASME), member of Academy of Science of South Africa (ASSAf), among others. Jen has written over 360 peer-reviewed articles, including 180 peer-reviewed journal papers, 16 book chapters, and five books to date.
