Dr. Tri Ratna Bajracharya is a Professor at the Institute of Engineering, Tribhuvan University, Nepal. Currently Professor Bajracharya is serving as a Senior Research Fellow at the Research Institute for Sustainability (RIFS) at GFZ.  He has held several key leadership positions, including Dean of the Institute of Engineering, Director of the Centre for Energy Studies, and President of the Nepal Engineers’ Association. His research focuses on sustainable energy systems, hydropower sustainability, and renewable energy technologies. Prof. Bajracharya has led numerous international collaborations, working with organizations such as the European Union, NORAD, ADB, The World Bank, and GIZ, and has played a pivotal role in shaping energy policies in Nepal. As a leading expert in energy transitions and sustainability, he continues to drive impactful research, policy advocacy, and academic development.