![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>)
Kei Yamamoto
Ordförande på
CHUOKEIZAI-SHA HOLDINGS, INC.
Förmögenhet: 2 M $ per 2026-08-31
Profil
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.
Kända innehav i offentliga företag
| Företag | Datum | Antal aktier | Värdering | Värderingsdatum |
|---|---|---|---|---|
| 2026-03-31 | 254 000 ( 5,77 % ) | 2 M $ | 2026-08-31 |
Aktiva positioner av Kei Yamamoto
| Företag | Position | Start |
|---|---|---|
| CHUOKEIZAI-SHA HOLDINGS, INC. | Ordförande | 2009-12-01 |
Planning Center KK
 Planning Center KK Advertising/Marketing ServicesCommercial Services Provides advertising services | Direktör/Styrelseledamot | 2008-11-01 |
Triple A KK (Tokyo) | Direktör/Styrelseledamot | 2012-11-01 |
CKD KK | Direktör/Styrelseledamot | 2016-01-01 |
Tidigare kända positioner av Kei Yamamoto
| Företag | Position | Slut |
|---|---|---|
CO2, Inc.
 CO2, Inc. Publishing: Books/MagazinesConsumer Services Edits and publishes magazines, books, and other publications | Ordförande | - |
Erfarenheter
Innehade positioner
Aktiva
Inaktiva
Börsnoterade företag
Privata företag
Relationer
7
Första gradens relationer
5
Företag kopplade till första graden
Man
Kvinna
Styrelseledamöter
Chefer
Kopplade företag
| Privata företag | 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) |
