Dr. Aezid-Ul-Hassan Najmi is a Fuel Cell Systems Engineer and Applied Researcher with over nine years of experience in hydrogen technologies, advanced energy systems, and sustainable propulsion. He earned his PhD from RMIT University, Australia, and has conducted research at FH Aachen University of Applied Sciences, Germany, through international and EU-funded research collaborations. His expertise encompasses fuel cell–battery hybrid systems, integrated thermal management, waste heat recovery, digital twins, numerical modeling, and experimental validation. His research contributions have been published in leading international peer-reviewed journals. He is particularly interested in advancing sustainable energy technologies and fostering interdisciplinary research and industry–academia collaborations.