![Tsubasa Mizuguchi](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>)
Tsubasa Mizuguchi
President at
FONFUN CORPORATION
Net worth: 92 474 $ as of 2026-07-30
Profile
Tsubasa Mizuguchi is the founder of CYBRiDGE GROUP Corp.
(founded in 2003) and holds the title of President & Representative Director.
Mr. Mizuguchi's current jobs include being a Director at Gigatrend, Inc. (Japan) since 2011, President & Representative Director at fonfun Corp.
since 2020, and Auditor at Valuepress! Co., Ltd. since 2005.
Mr. Mizuguchi's former jobs include being a Representative Director at CYBRiDGE Corp., a Representative Director at Cybridge Corp.
(Sentagaya), and an Outside Director at fonfun Corp.
from 2015 to 2019.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Kawakami Paint Manufacturing Co., Ltd.
 Kawakami Paint Manufacturing Co., Ltd. Industrial SpecialtiesProcess Industries Manufactures and sells paints 0.73% | 2025-07-14 | 7,300 ( 0.73% ) | 92 474 $ | 2026-07-30 |
Tsubasa Mizuguchi active positions
| Companies | Position | Start |
|---|---|---|
| FONFUN CORPORATION | President | 2023-05-31 |
CYBRiDGE GROUP Corp.
 CYBRiDGE GROUP Corp. Information Technology ServicesTechnology Services Provides website development and systems integration services | Founder | 2003-03-31 |
Valuepress! Co., Ltd. | Comptroller/Controller/Auditor | 2005-11-30 |
Gigatrend, Inc. (Japan)
 Gigatrend, Inc. (Japan) Internet Software/ServicesTechnology Services Operates an online coupon marketplace platform | Director/Board Member | 2010-12-31 |
Former positions of Tsubasa Mizuguchi
| Companies | Position | End |
|---|---|---|
| FONFUN CORPORATION | Director/Board Member | 2019-05-31 |
Cybridge Corp. (Sentagaya)
 Cybridge Corp. (Sentagaya) Financial ConglomeratesFinance Provides investment development, internet media and e-Commerce services | Director/Board Member | - |
CYBRiDGE Corp.
 CYBRiDGE Corp. Information Technology ServicesTechnology Services Provides website development and Internet-related services | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
fonfun Corp.
 fonfun Corp. Internet Software/ServicesTechnology Services Provides mail services that transmits emails between cellular phones, homes and offices; develops software | Technology Services |
CYBRiDGE GROUP Corp.
CYBRiDGE GROUP Corp. Information Technology ServicesTechnology Services Provides website development and systems integration services | Technology Services |
CYBRiDGE Corp.
CYBRiDGE Corp. Information Technology ServicesTechnology Services Provides website development and Internet-related services | Technology Services |
Valuepress! Co., Ltd. | |
Gigatrend, Inc. (Japan)
Gigatrend, Inc. (Japan) Internet Software/ServicesTechnology Services Operates an online coupon marketplace platform | Technology Services |
Cybridge Corp. (Sentagaya)
Cybridge Corp. (Sentagaya) Financial ConglomeratesFinance Provides investment development, internet media and e-Commerce services | Finance |
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- Insiders
- Tsubasa Mizuguchi
