Peter Ramashadi Makgwane is currently a Full Professor at the University of South Africa (UNISA) Institute of Catalysis and Energy Solutions (ICES). He previously worked as a Principal Scientist (2011-2023) at the Council for Scientific and Industrial Research (CSIR, South Africa), focusing on catalysis and advanced energy materials. He is a highly published scholar, contributing numerous articles and book chapters on heterogeneous catalysis, photocatalysis, and electrocatalysis, particularly focusing on renewable chemicals, energy, and environmental remediation.Mesfin Abayneh Kebede is currently a full Professor at the University of South Africa (UNISA) Institute for Nanotechnology and Water Sustainability (iNanoWS). He obtained his Ph.D. in Materials Science and Engineering in 2009 from Inha University, South Korea. His research activities mainly focus on the development and characterization of nanostructured catalysts and electrode materials for energy storage, energy generation, and water treatment applications.