Mr. Arimoto graduated from Kyoto University (Graduate School of Science) in 1974. He has a master’s degree in physical chemistry. He served as Director, Planning, Policy Division, Science and Technology Policy Bureau, Science and Technology Agency, Japanese Government (STA) (1987); Director, National Space Development Agency of Japan (NASDA), Los Angeles Office (1989); Director, Science and Technology Information Division, STA (1992); Director, Planning Department, Japan Marine Science and Technology Center (1994); Director, Radioactive Waste Policy Division, Atomic Energy Bureau, STA (1996); Director, Department of Public Communications, Japan Atomic Energy Research Institute (1998); Director, Policy Division, STA (1999); Director, Research Promotion Division, RIKEN Yokohama Institute (2000); Deputy Director General for Science and Technology Policy, Cabinet Office (2001); Deputy Director-General, Lifelong Learning Policy Bureau, Ministry of Education, Culture, Sports, Science and Technology (MEXT) (2002); Director-General, Science and Technology Policy Bureau, MEXT (2004); Executive Research Fellow, Economic and Social Research Institute, Cabinet Office (2005). Mr. Arimoto currently serves as Director　General，Research　Institute　of　Science　and Technology　for　Society (RISTEX) and serves for Japan　Science　and Technology　Agency（JST）.