Dr. Biraj Singh Thapa is Assistant Professor at the Department of Mechanical Engineering at Kathmandu University, Nepal. His area of specialization is hydropower and green hydrogen. He believes that a strategic blend of these two energy sectors can change the future of the developing countries of Asia and Pacific, both economically and environmentally. His interest is in cross-disciplinary research in the field of renewable energy technologies for industrial adaptation. At present he is focusing on energy ecosystem for the transition towards a low carbon society in Himalayan region. He is leading several projects to implement hydropower as the means for introducing green hydrogen as an alternative future fuel in Nepal. He is serving as the Team Leader of Green Hydrogen Lab at Kathmandu University. He holds a PhD degree from NTNU, Norway.