Ryoko Sugiyama – Biography
Last update: May 18, 2026Executive profile
Ryoko Sugiyama is currently
Independent Director at Tokyu - View - Tokyu org chart
Outside Director at Sato Shoji - View - Sato Shoji org chart
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The colleagues of Ryoko Sugiyama
Company Colleagues
- At Tokyu, Ryoko Sugiyama has 55 colleagues including Masahiro Horie (President), Hirofumi Nomoto (Chairman of the Board)…
- At Sato Shoji, Ryoko Sugiyama has 16 colleagues including Tetsuo Nozawa (President), Ikuo Oguri (Director)…
Industry Colleagues
- In the Ground Transportation industry, Ryoko Sugiyama has 12,306 colleagues in 600 companies located in 51 countries. 5,900 executive movements have been recorded in the last 12 months. Learn more about Ground Transportation.
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