Masahiro (Masa) Sugiyama is a Professor at the Institute for Future Initiatives (IFI), the University of Tokyo (UTokyo). He holds a Ph.D. in climate science and a master's degree in technology and policy, both from MIT. Prior to joining UTokyo, he was a researcher at the Socio-Economic Research Center, the Central Research Institute of the Electric Power Industry. He joined UTokyo in April, 2014. He is a lead author of the Working Group III's contribution to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). His most recent book is "Controlling the Climate: The Risky Last Resort of Global Warming Countermeasures" (published by KADOKAWA).
His research areas include scenario analysis of climate and energy policy and governance of climate engineering from the public engagement perspective.