Hiromichi Umebayashi is a Visiting Professor and former Director of the Research Center for Nuclear Weapons Abolition at the Nagasaki University (RECNA). He is also Special Advisor, former President and Founder of Peace Depot Inc., Japan. He is a Ph.D. holder in the field of Applied Physics from Tokyo University. After resigning from teaching in university in 1980, he became a fulltime campaigner and researcher for peace, disarmament, and human rights issues. In April 2012, when RECNA was established, he became its inaugural Director. He now serves as the East Asian Coordinator of PNND (Parliamentarians for Nuclear Non-proliferation and Disarmament). He is also the Chief-editor of the 2015 RECNA Report “Proposal: A Comprehensive Approach to a Northeast Asia Nuclear Weapon-Free Zone.” Among his recent books are Nuclear Weapon-Free Zones (2012) from Iwanami Shoten, Japan and its updated Korean version (2014) from Booksea Publishing Co., ROK.