| 2013 | Joined Something Co., Ltd.
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| 2013 | Appointed as head of corporate planning department of Something Co., Ltd.
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| 2014 | Appointed as Executive Officer and Head of Corporate Planning Office of Something Co., Ltd.
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| 2015 | Appointed as Executive Officer and Head of Corporate Planning Office of Something Holdings Co., Ltd.
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| 2015 | Appointed as Managing Director and General Manager of Technology Headquarters of Something Co., Ltd.
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| 2017 | Appointed as Senior Executive Officer and General Manager of Management Headquarters of Something Holdings Co., Ltd.
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| 2018 | Appointed as a Director of Geosign Co., Ltd. (current position)
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| 2018 | Appointed as a Director of GIR Co., Ltd. (current position)
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| 2018 | Appointed as a Director of Something Holdings Co., Ltd.
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| 2019 | Appointed as Representative Director and Executive Vice President of Something Co., Ltd. (current position)
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| 2019 | Appointed a Director of kiipl&nap Co., Ltd. (current position)
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| 2021 | Appointed as Executive Officer and General Manager of Business Strategy Department of ITbook Holdings Co., Ltd.
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| 2022 | Appointed as a director of SOMETHING VIETNAM CO., LTD. (current position)
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| 2022 | Appointed as a Director of JAPANEL HOME (CAMBODIA) CO., LTD. (current position)
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| 2022 | Appointed as a Director of I-need Co., Ltd. (current position)
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| 2023 | Appointed as Executive Officer, General Manager of Business Strategy Headquarters and General Manager of Business Strategy Department of ITbook Holdings Co., Ltd.
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| 2023 | Appointed as a Director of ITbook Co., Ltd. (current position)
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| 2023 | Appointed a Director of Tokyo Application System Co., Ltd. (current position)
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| 2023 | Appointed as a Director of Mirai Co., Ltd. (current position)
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| 2023 | Appointed Director, General Manager of Business Strategy Headquarters and General Manager of Business Strategy Department of ITbook Holdings Co., Ltd.
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| 2023 | Appointed as a Director of ITbook Technology Co., Ltd.
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| 2024 | Appointed as a Director of San-ai Home Co., Ltd. (current position)
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| 2024 | Appointed as a Director and Head of Business Strategy Headquarters of ITbook Holdings Co., Ltd. (current position) |
| 2024 | Appointed as a Director of NEXT Co., Ltd. (current position)
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