![Kei Yamamoto](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Fortuna: 2 M $ al 30/06/2026
Kei Yamamoto is currently the Chairman at Chuokeizai-Sha Holdings, Inc. since 2013.
He is also currently a Director at CKD KK since 2016, a Director at Planning Center KK since 2008, and a Representative Director at Triple A KK (Tokyo) since 2012.
Previously, he served as the Chairman at CO2, Inc.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
| 31/03/2026 | 254.000 ( 5,77 % ) | 2 M $ | 30/06/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| CHUOKEIZAI-SHA HOLDINGS, INC. | Presidente | 01/12/2009 |
Planning Center KK
 Planning Center KK Advertising/Marketing ServicesCommercial Services Provides advertising services | Director/Miembro de la Junta | 01/11/2008 |
Triple A KK (Tokyo) | Director/Miembro de la Junta | 01/11/2012 |
CKD KK | Director/Miembro de la Junta | 01/01/2016 |
| Empresas | Cargo | Fin |
|---|---|---|
CO2, Inc.
 CO2, Inc. Publishing: Books/MagazinesConsumer Services Edits and publishes magazines, books, and other publications | Presidente | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 5 |
|---|---|
Chuokeizai-Sha Holdings, Inc.
 Chuokeizai-Sha Holdings, Inc. Publishing: Books/MagazinesConsumer Services Engages in the publication and sale of specialized books and magazines | Consumer Services |
CKD KK | |
Planning Center KK
Planning Center KK Advertising/Marketing ServicesCommercial Services Provides advertising services | Commercial Services |
CO2, Inc.
CO2, Inc. Publishing: Books/MagazinesConsumer Services Edits and publishes magazines, books, and other publications | Consumer Services |
Triple A KK (Tokyo) |
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