Iqbal M. Mujtaba, PhD, is a Professor of Computational Process Engineering in the School of Engineering at the University of Bradford. Thokozani Majozi, PhD, is a full professor in the School of Chemical and Metallurgical Engineering at Wits University where he also holds the NRF/DST Chair in Sustainable Process Engineering. Mutiu Kolade Amosa, PhD, is currently a Research Fellow in Sustainable Process Engineering in the School of Chemical and Metallurgical Engineering at the University of the Witwatersrand in Johannesburg, South Africa. He is a trained Chemical Engineer with Bachelor's and Master's Degrees in Chemical Engineering from Ladoke Akintola University of Technology and Ahmadu Bello University, respectively. Dr. Amosa obtained his Ph.D. Degree in Environmental Process Engineering from the International Islamic University Malaysia and won the best doctoral award. He also won the most highly cited researcher award at the University of the Witwatersrand in 2017. Dr. Amosa is a permanent staff of the Department of Petroleum Resources (DPR) - the Oil and Gas Regulatory Agency in Nigeria, where he works as a Senior Chemical Engineer at the agency's headquarters in Lagos, Nigeria. He is also an International Research Expert and member of the Environmental Engineering and Management Research Group, Faculty of Environment and Labour Safety at Ton Duc Thang University, Ho Chi Minh City, Vietnam. Previously, Dr. Amosa served as a Research Fellow between 2011 and 2012 under the Petroleum Technology Development Fund (PTDF) endowment of the Ahmadu Bello University, Nigeria where he worked on drilling fluid technologies; and development of zeolites and molecular sieves for petroleum refining applications. He also served as research/teaching assistant under the Bioenvironmental Engineering Research Centre (BERC) at International Islamic University Malaysia where he worked on several research projects relating to environmental process engineering between 2012 and 2015. He currently serves as an Editor for Cogent Engineering Journal (Taylor & Francis Group), and he is an award winning reviewer (awarded by Publons in 2017) for many reputable journals and conferences. Dr. Amosa is a corporate member of the American Institute of Chemical Engineers (AIChE); Nigerian Society of Chemical Engineers (NSChE); Association of Environmental Engineering & Science Professors (AEESP); International Water Association (IWA); the Society of Petroleum Engineers (SPE); amongst others. Widely published and cited, he focuses his research on process design, modelling and optimization; environmental process engineering; sustainable process systems engineering; less common separation technologies and their wide applications; and development of micro- & nano-porous materials.