| Outside Director Katsuya Kashiki |
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| 1990 | Apr. | Joined Sumitomo Corporation |
| 1994 | Jan. | Assistant to General Manager of Islamabad Office (Pakistan), Sumitomo Corporation |
| 2004 | Sep. | Moscow Office (Russia), IT & Telecom Unit, Sumitomo Corporation |
| 2005 | Feb. | Director, Market & Business Development, ZAO Prestige Internet (Russia) |
| 2012 | Jun. | Director, ICT Business Division, Sumitomo Corporation (Central Eurasia) LLC (Russia) |
| 2018 | Apr. | Manager of Smart Infrastructure Business Dept., Sumitomo Corporation |
| 2020 | Apr. | General Manager of Smart Communications Platform Division, Sumitomo Corporation (current) |
| Jun. | Director, T-Gaia Corporation | |
| 2022 | Jun. | Outside Director, T-Gaia Corporation（current） |
June 22, 2023
