Yuriko Koike is a Japanese politician who has served as the Governor of Tokyo since 2016. Previously, she also served as a member of the House of Councillors from 1992 to 1993, a member of the House of Representatives from 1993 to 2016, Minister of the Environment under Junichiro Koizumi from 2003 to 2006, and Minister of Defense under Shinzo Abe between July and August 2007. From Wikipedia