1982, joined JBIC; he has held various positions including Director-General of Energy & Natural Resources Finance Department ; Managing Executive Officer & Global Head of Infrastructure and Environment Finance Group ; Senior Managing Director ;CEO & Executive Managing Director and Governor. From June 2010 to December 2012, he served as Special Advisor to the Cabinet of the Government of Japan. He has also served as a member of the Steering Committee of Nuclear Damage Liability Facilitation Fund from October 2011 to October 2013. He became a member of the IISS Council from June 2014 to 2017. From September 2022, he is serving as Special Advisor to the Cabinet, the Government of Japan again.