![Ryousuke Joukou](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>)
Ryousuke Joukou
President at
KATAKURA INDUSTRIES CO.,LTD.
Net worth: 2 M $ as of 2026-08-30
Profile
Ryousuke Joukou currently works at Katakura Industries Co., Ltd., as President & Representative Director from 2019.
Mr. Joukou also formerly worked at Mizuho Financial Group, Inc., as General Manager-Executive Secretariat from 1985 to 2012.
Mr. Joukou received his undergraduate degree in 1985 from the University of Hitotsubashi.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-30 | 81,000 ( 0.23% ) | 2 M $ | 2026-08-30 |
Ryousuke Joukou active positions
| Companies | Position | Start |
|---|---|---|
| KATAKURA INDUSTRIES CO.,LTD. | President | 2019-03-27 |
Former positions of Ryousuke Joukou
| Companies | Position | End |
|---|---|---|
| MIZUHO FINANCIAL GROUP, INC. | Corporate Secretary | - |
Training of Ryousuke Joukou
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
67
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Mizuho Financial Group, Inc.
 Mizuho Financial Group, Inc. Major BanksFinance Operates as a bank holding company | Finance |
Katakura Industries Co., Ltd.
 Katakura Industries Co., Ltd. Pharmaceuticals: MajorHealth Technology Engages in the business of textile, pharmaceutical, machinery, real estate and other services | Health Technology |
University of Hitotsubashi
 University of Hitotsubashi Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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