![Yuji 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>)
Yuji Yamamoto
Founder at
TOYOKUMO, INC.
Net worth: 71 M $ as of 31/05/2026
Profile
Yuji Yamamoto is the founder of Toyokumo, Inc. which is founded in 2010, where he currently holds the titles of President, CEO & Representative Director.
In 2011 to 2012, he worked as an Executive Officer & GM-Net Service Business at Cybozu, Inc. Mr. Yamamoto completed his undergraduate degree from Kansai University in 1990.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TOYOKUMO, INC. 48.66% | 31/12/2025 | 5,356,000 ( 48.66% ) | 71 M $ | 31/05/2026 |
Yuji Yamamoto active positions
| Companies | Position | Start |
|---|---|---|
| TOYOKUMO, INC. | Founder | 01/08/2010 |
Former positions of Yuji Yamamoto
| Companies | Position | End |
|---|---|---|
| CYBOZU, INC. | Corporate Officer/Principal | - |
Training of Yuji Yamamoto
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
9
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Cybozu, Inc.
 Cybozu, Inc. Packaged SoftwareTechnology Services Engages in the development, sale and operation of groupware technology services | Technology Services |
Kansai University
 Kansai University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Toyokumo, Inc.
 Toyokumo, Inc. Packaged SoftwareTechnology Services Develops and provides cloud services | Technology Services |
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- Yuji Yamamoto
