Yohei Nishitsuji is a geophysicist and business development expert specializing in high-impact technologies such as fusion energy. He holds a PhD from Delft University of Technology, where his research focused on lunar interior imaging using NASA’s Apollo mission data, as well as on wave propagation. At Sumitomo Corporation, he leads fusion energy business development, driving sustainable energy solutions with significant societal impact. His current interdisciplinary research and applications explore game theory and network science. Yohei is interested in shaping global energy discourse, serving as a session moderator and panelist at major forums like IEA’s Fusion Power Coordination Committee as J-Fusion activity.