Kei Yamamoto
Chairman at CHUOKEIZAI-SHA HOLDINGS, INC.
Net worth: 856 661 $ as of 31/05/2024
Profile
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.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 30/09/2023 | 254,000 ( 5.77% ) | 856 661 $ | 31/05/2024 |
Kei Yamamoto active positions
| Companies | Position | Start |
|---|---|---|
| CHUOKEIZAI-SHA HOLDINGS, INC. | Chairman | 01/12/2009 |
Planning Center KK
 Planning Center KK Advertising/Marketing ServicesCommercial Services Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan. | Director/Board Member | 01/11/2008 |
| Triple A KK (Tokyo) | Director/Board Member | 01/11/2012 |
| CKD KK | Director/Board Member | 01/01/2016 |
Former positions of Kei Yamamoto
| Companies | Position | End |
|---|---|---|
CO2, Inc.
 CO2, Inc. Publishing: Books/MagazinesConsumer Services Part of Chuokeizai-Sha Holdings, Inc., CO2, Inc. is a Japanese company that edits and publishes magazines, books, and other publications. The company is based in Tokyo, Japan. CO2 was acquired by Chuokeizai-Sha Holdings, Inc. on September 18, 2013 for $2.91 million. | Chairman | - |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| CHUOKEIZAI-SHA HOLDINGS, INC. | Consumer Services |
| Private companies | 4 |
|---|---|
Planning Center KK
Planning Center KK Advertising/Marketing ServicesCommercial Services Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan. | Commercial Services |
| Triple A KK (Tokyo) | |
CO2, Inc.
CO2, Inc. Publishing: Books/MagazinesConsumer Services Part of Chuokeizai-Sha Holdings, Inc., CO2, Inc. is a Japanese company that edits and publishes magazines, books, and other publications. The company is based in Tokyo, Japan. CO2 was acquired by Chuokeizai-Sha Holdings, Inc. on September 18, 2013 for $2.91 million. | Consumer Services |
| CKD KK |
- Stock Market
- Insiders
- Kei Yamamoto
