Masashi Gotō

Masashi Goto (, Gotō Manashi, born 1949) is a Japanese nuclear engineer, author, activist and commentator on the Fukushima Daiichi nuclear disaster.

He is the designer of the nuclear reactor vessels owned by Toshiba, where he worked from 1989 to 2009.

Since then, he became a regular commentator and featured as an expert in hearings regarding the nuclear disaster at Japan's Nuclear and Industrial Safety Agency and House of Councillors. From April 2013, he joined as an expert on the Citizen's Commission on Nuclear Energy, a think tank composed of professors of public policy.

Academic career He obtained a Doctor of Engineering in Tokyo Institute of Technology in 2005. After retirement from Toshiba in 2009, he was a lecturer on nuclear engineering in Waseda University, Tokyo City University, Shibaura Institute of Technology and Kokugakuin University.