| 1983 | Joined Keio Teito Electric Railway Co., Ltd. (currently Keio Electric Railway Co., Ltd.)
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| 2006 | Appointed as the head of SC sales department of company's SC sales managerKeio Electric Railway Co., Ltd.
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| 2009 | Appointed as General Manager of Human Resources Department at Keio Electric Railway Co., Ltd.
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| 2011 | Appointed as Gereral Manager of Group Business Department, General Planning Headquarters at Keio Electric Railway Co., Ltd.
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| 2013 | Appointed as a Director and General Manager of Corporate Planning Department, General Planning Headquarters at Keio Electric Railway Co., Ltd.
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| 2015 | Appointed as Managing Director and General Manager of Development Planning Department at Keio Electric Railway Co., Ltd.
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| 2016 | Appointed as Managing Director and General Manager of Strategy Promotion Headquarters and General Manager of Development Business Headquarters at Keio Electric Railway Co., Ltd.
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| 2017 | Appointed as Managing Director and General Manager of Development Business Headquarters at Keio Electric Railway Co., Ltd.
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| 2018 | Appointed as Managing Director and General Manager of Railway Business Headquarters at Keio Electric Railway Co., Ltd.
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| 2020 | Appointed as Director and Senior Managing Executive Officer, General Manager of Strategy Promotion Headquarters, General Manager of Overseas Strategy Department at Keio Electric Railway Co., Ltd.
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| 2021 | Appointed as Director and Senior Managing Executive Officer, and General Manager of Strategy Promotion Headquarters at Keio Electric Railway Co., Ltd.
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| 2022 | Appointed as Director of Keio Electric Railway Co., Ltd.
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| 2023 | Appointed as Representative Director and President of Keio Department Store Co., Ltd.
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| 2024 | Appointed as Representative Director and Chairman of Keio Department Store Co., Ltd. (current position)
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| 2024 | Appointed as an outside director of ITbook Holdings Co., Ltd. (current position)
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