Koji Yamaguchi – Biography
Last update: January 7, 2026Executive profile
Koji Yamaguchi is currently
Independent Director at Sekisan Industry - View - Sekisan Industry org chart
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Company Colleagues
- At Sekisan Industry, Koji Yamaguchi has 5 colleagues including Shinji Mitani (President), Takatsugu Watanabe (Director)…
Homonyms
- Koji Yamaguchi - Executive Officer, Chief Human Resources Officer, Senior Director of Human Resources and Legal Affairs - J-Oil Mills
Industry Colleagues
- In the Materials industry, Koji Yamaguchi has 14,621 colleagues in 846 companies located in 80 countries. 6,159 executive movements have been recorded in the last 12 months. Learn more about Materials.
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Through the switchboard, call Sekisan Industry at +81 77... and ask for Koji Yamaguchi.
