Mr. Ishihara joined SOFTBANK Group in 2003, has been the leading figure in negotiations with the radio regulatory body in SOFTBANK group for 10 years. He is now an expert advisory member of the Advanced Wireless Communications Study Committee of ARIB (Association of Radio Industries and Business) and Information and Communications Council of MIC (Ministry of International Affairs and Communications).
2011 Senior Director, Head of Spectrum Regulatory Office, SOFTBANK MOBILE Corp.
2010 Senior General Manager, Regulatory and External Affairs, Wireless City Planning Inc.
2006 General Manager, Spectrum Regulatory Dept, Regulatory and External Affairs Division, SOFTBANK MOBILE Corp.
2004 General Manager, Regulatory & External Affairs Division, Technology & Administration Management Unit, BB Mobile Corp.
2003 Director, Wireless Dept, Regulatory and Interconnection Division, SOFTBANK BB Corp.
Mr. Ishihara has an in-depth knowledge and understanding of information and communication technology due to his unique background. He had worked in the Ministry of Defense nearly 10 years and a graduate of the Science and Engineering Graduate School of National Defense Academy of Japan.