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Organizational Chart of Proto
Proto Org Chart
www.proto-g.co.jp
has 17 executives
+81 529 342 000
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President
Kenji Kamiya
Move
Chairman of the Board
Hiroichi Yokoyama
Move
Director
Kazuko Kawai
Move
Director
Eriko Kitayama
Move
Director
Akihiro Matsuzawa
Move
Director
Miho Mori
Move
Director
Yumiko Sakurai
Move
Director
Shigeyoshi Shimizu
Move
Managing Director
T...
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Managing Director
N...
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Senior Managing Director
M...
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Senior Managing Director
M...
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Executive Officer
S...
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Executive Officer
M...
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Executive Officer
J...
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Executive Officer
T...
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Executive Officer
H...
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Updated Apr 24, 2026
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