![Koji Joubou](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>)
Koji Joubou
Director/Board Member at
KYOSHIN CO., LTD.
Net worth: 20 102 $ as of 2026-05-30
Profile
Koji Joubou currently works at Kyoshin Co., Ltd., as Director & General Manager-Management III from 2018, OLJ KK, as Representative Director from 2017, Alphabet KK, as Representative Director from 2020, Kyoshin Language Academy KK, as Representative Director from 2017, ICC KK (Ibaraki), as Representative Director from 2017, Dynamic Business College KK, as Representative Director from 2019, and Human Life KK, as Representative Director from 2019.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
KYOSHIN CO., LTD. 0.12% | 2025-05-30 | 10,000 ( 0.12% ) | 20 102 $ | 2026-05-30 |
Koji Joubou active positions
| Companies | Position | Start |
|---|---|---|
| KYOSHIN CO., LTD. | Director/Board Member | 2018-07-31 |
Alphabet KK | Director/Board Member | 2020-02-29 |
Human Life KK
 Human Life KK Personnel ServicesCommercial Services Engages in job placement business, and operates a school for qualifications | Director/Board Member | 2019-10-31 |
Dynamic Business College KK
 Dynamic Business College KK Miscellaneous Commercial ServicesCommercial Services Operates and manages a language school | Director/Board Member | 2018-12-31 |
ICC KK (Ibaraki)
 ICC KK (Ibaraki) Miscellaneous Commercial ServicesCommercial Services Operates a Japanese language school | Director/Board Member | 2017-11-30 |
Kyoshin Language Academy KK
 Kyoshin Language Academy KK Miscellaneous Commercial ServicesCommercial Services Operates a language school | Director/Board Member | 2017-11-30 |
OLJ KK
 OLJ KK Miscellaneous Commercial ServicesCommercial Services Operates language schools | Director/Board Member | 2017-11-30 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Kyoshin Co., Ltd.
 Kyoshin Co., Ltd. Other Consumer ServicesConsumer Services Operates cram school | Consumer Services |
OLJ KK
OLJ KK Miscellaneous Commercial ServicesCommercial Services Operates language schools | Commercial Services |
Alphabet KK | |
Kyoshin Language Academy KK
Kyoshin Language Academy KK Miscellaneous Commercial ServicesCommercial Services Operates a language school | Commercial Services |
ICC KK (Ibaraki)
ICC KK (Ibaraki) Miscellaneous Commercial ServicesCommercial Services Operates a Japanese language school | Commercial Services |
Dynamic Business College KK
Dynamic Business College KK Miscellaneous Commercial ServicesCommercial Services Operates and manages a language school | Commercial Services |
Human Life KK
Human Life KK Personnel ServicesCommercial Services Engages in job placement business, and operates a school for qualifications | Commercial Services |
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