1994 graduated from Kyoto Univ. 1995 Wakayama Red Cross Medical Center 1998 Kyoto Univ. Graduate school of Medicine 1999 National Cancer Center Hospital East, Division of Radiation Oncology, in charge of clinical trial, multidisciplinary treatment for lung and esophageal cancer, proton therapy, and so on. 2006 Ph. D. 2011 Tokyo Metropolitan Cancer and Infectious diseases Center Komagome Hospital, Division of Radiation Oncology, in charge of high precision radiation therapy such as IMRT, SBRT using VERO-4DRT, Cyberknife, and Tomotherapy. 2019 Osaka Medical and Pharmaceutical University, Professor, Department of Radiation Oncology, Director of Kansai BNCT Medical Center