Prashanth W. Menezes is Head of the Materials Chemistry Group for Thin Film Catalysis at CatLab of Helmholtz-Zentrum Berlin für Materialien und Energie and the Inorganic Materials Group at the Technical University of Berlin, Germany. His research focuses on the design, development, and structural understanding of novel unconventional catalysts in heterogeneous catalysis, especially in the area of redox oxygen catalysis, (photo)electrocatalytic water splitting, as well as electrochemical redox reactions. Debasish Sarkar is an Assistant Professor in the Department of Physics at Malaviya National Institute of Technology Jaipur, India. His primary research interests include design and development of novel nanostructures and nanoheterostructures of carbon and other transition metal oxides for application in electrochemical energy generation and storage applications. His research on energy storage involves the development of novel electrode materials for high-performance metal-ion batteries, aqueous supercapacitors, and high-voltage hybrid-ion capacitors. Kamlendra Awasthi is an Assistant Professor in the Department of Physics at Malaviya National Institute of Technology Jaipur, India. His main research area is soft materials, focusing on polymer nanofillers and nanostructured materials for sensors, catalysts and nanofabrication applications.