![Ryo Ishizuka](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>)
Ryo Ishizuka is the founder of Rockyou, Inc. which was founded in 2005.
He also worked as a Director at Mercari, Inc.
| Sociétés | Poste | Fin |
|---|---|---|
Rockyou, Inc.
 Rockyou, Inc. Packaged SoftwareTechnology Services Develops social game advertising platform | Fondateur | - |
| MERCARI, INC. | Directeur/Membre du Conseil | - |
Actives
Inactives
Sociétés cotées
Entreprise privées
| Entreprise privées | 2 |
|---|---|
Rockyou, Inc.
Rockyou, Inc. Packaged SoftwareTechnology Services Develops social game advertising platform | Technology Services |
Mercari, Inc.
 Mercari, Inc. Internet RetailRetail Trade Designs and develops smartphone shopping applications | Retail Trade |
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