 He is also a Professor at the Graduate School of Public Policy, University of Tokyo.He is also a fellow at the Center on Global Energy Policy at Columbia University in New York where he has given lectures on subjects like Post Fukushima energy policy, the Shale revolution and energy security, China energy and sustainability, and the Integral Fast Reactor during frequent weekly visits to the Columbia Morningside campus each academic semester.He is a vocal advocate for advanced nuclear energy for Japan and international cooperation between Japan and the Republic of Korea to build the first commercial Integral Fast Reactor in the world.