Mr. Katsuta is currently an associate professor at Meiji University. From 2008 to 2009, he did research on multilateral nuclear fuel cycle system as a visiting researcher at Princeton University. From 2006 to 2008, he did research on the separated plutonium management problem in Japan caused by Rokkasho reprocessing plant operation at the University of Tokyo. Mr. Katsuta received a Ph.D. in plasma physics from Hiroshima University in 1997.