Masahiro Ishii

Masahiro Ishii
石井 正弘
Official portrait, 2021
Member of the House of Councillors
In office
29 July 2013 – 28 July 2025
Preceded byYumiko Himei
Succeeded byKōichirō Kobayashi
ConstituencyOkayama at-large
Governor of Okayama Prefecture
In office
12 November 1996 – 11 November 2012
MonarchAkihito
Preceded byShirō Nagano
Succeeded byRyuta Ibaragi
Personal details
Born (1945-11-29) 29 November 1945
PartyLiberal Democratic
Alma materUniversity of Tokyo
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Masahiro Ishii (石井 正弘, Ishii Masahiro; born November 29, 1945) is a former Japanese politician who served as the governor of Okayama Prefecture in Japan from November 1996 until November 2012. He then was elected as a member of the House of Councillors representing Okayama at-large district from 2013 until his retirement in 2025. A native of Okayama, Okayama and graduate of the University of Tokyo, he had worked at the Ministry of Construction since 1969 before being elected governor. Ishii was affiliated to the revisionist lobby Nippon Kaigi.