Dr. Anuj Kumar is an assistant professor at GLA University, Mathura, India. His research focus is on molecular as well M-N-C electrocatalysts for H2, O2, and CO2 involving electrocatalysis, nanomaterials, nanocomposites, fuel cells, water electrolyzers, nanosensors, bio-inorganic chemistry, and macrocyclic chemistry. He has published more than 80 articles in reputed peer-reviewed international journals. He has also contributed more than 12 book chapters to Elsevier, Springer, CRC Press, and Bentham Science book series. For outstanding contribution in his research field, he has been the recipient of “Best Young Scientist Award 2021” from the Tamil Nadu Association of Intellectuals and Faculty (TAIF) and GRBS Educational Charitable Trust, India, and the “Young Researcher Award 2020” by Central Education Growth and Research (CEGR), India. He is serving as a section editor, guest editor, and editorial board member for various journals. Dr. Ram Gupta is an associate professor at Pittsburg State University. Dr. Gupta’s research focuses on nanomagnetism, nanomaterials, green energy production and storage using conducting polymers and composites, electrocatalysts for fuel cells, optoelectronics and photovoltaics devices, organic-inorganic hetero-junctions for sensors, bio-based polymers, bio-compatible nanofibers for tissue regeneration, scaffold and antibacterial applications, and biodegradable metallic implants. Dr. Gupta published over 250 peer reviewed articles, made over 300 national/international/regional presentations, chaired many sessions at national/international meetings, and edited/written several books/ chapters for leading publishers. He has received over $2.5 million for research and educational activities from external agencies. He is serving as an associate editor, guest editor, and editorial board member for various journals.