While he was serving in the second Yamamoto Cabinet established right after the Great Kanto Earthquake, he held positions as Minister of Home Affairs and President of the Imperial Capital Reconstruction Department to draft out the city revival plan.
関東大震災の直後に組閣された第2次山本内閣では、内務大臣(日本)兼帝都復興院総裁として震災復興計画を立案した。