Sumida Sayaka – Biography
Last update: February 3, 2026Executive profile
Sumida Sayaka is currently
Outside Director at Japan Exchange Group - View - Japan Exchange Group org chart
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Company Colleagues
- At Japan Exchange Group, Sumida Sayaka has 44 colleagues including Hiromi Yamaji (CEO & Director), Philippe Avril (Director)…
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- In the Financial Services industry, Sumida Sayaka has 59,530 colleagues in 4,102 companies located in 107 countries. 28,706 executive movements have been recorded in the last 12 months. Learn more about Financial Services.
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