Kazuya Sakai
Net worth: 1 M $ as of 30/06/2026
Net worth: 1 M $ as of 30/06/2026
Kazuya Sakai is Executive Director at Gravity Co. Ltd. since 2009.
Mr. Sakai is Director at Game Arts Co. Ltd., GungHo Online Entertainment Asia Pacific Pte Ltd., and GungHo Gamania Co. Ltd. Former positions include Chief Executive Officer at GungHo Asset Management, Inc. (2009), Capri, Inc. (2009), and Gungho Online Entertainment Korea, Inc. (2009).
Director roles were held at Gravity Entertainment, Inc., GungHo Works KK (2009), PlayPhone, Inc., ACQUIRE Corp., Grasshopper Manufacture, Inc., GGF BV (2013–2014), Overdriver Game Technologies Ltd. (2012–2013), and Chief Executive Officer at Expression Tools, Inc. (1993–2003).
Education includes undergraduate studies at Kyushu Sangyo University and graduate studies at Harvard Kennedy School of Government.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 31/12/2025 | 100,000 ( 0.19% ) | 1 M $ | 30/06/2026 |
| Companies | Position | Start |
|---|---|---|
| GUNGHO ONLINE ENTERTAINMENT, INC. | Chief Executive Officer | 01/02/2026 |
| GRAVITY CO., LTD. | Director/Board Member | 01/03/2009 |
Game Arts Co. Ltd.
Game Arts Co. Ltd. Information Technology ServicesTechnology Services Manufactures online game and game software | Director/Board Member | - |
GungHo Online Entertainment Asia Pacific Pte Ltd.
GungHo Online Entertainment Asia Pacific Pte Ltd. Information Technology ServicesTechnology Services Develops and distributes online video games | Director/Board Member | - |
GungHo Gamania Co. Ltd. | Director/Board Member | - |
| Companies | Position | End |
|---|---|---|
GGF BV
GGF BV Internet Software/ServicesTechnology Services Operates as an investment holding company with interests in online games | Director/Board Member | 01/09/2014 |
Overdriver Game Technologies Ltd. | Director/Board Member | 01/08/2013 |
GungHo Asset Management, Inc. | President | 01/03/2009 |
Gungho Online Entertainment Korea, Inc. | President | 01/01/2009 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 18 |
|---|---|
Gravity Co. Ltd.
Gravity Co. Ltd. Packaged SoftwareTechnology Services Develops and publishes online games | Technology Services |
GungHo Online Entertainment, Inc.
GungHo Online Entertainment, Inc. Packaged SoftwareTechnology Services Develops and distributes online video games | Technology Services |
Gravity Entertainment, Inc. | |
Expression Tools, Inc.
Expression Tools, Inc. Packaged SoftwareTechnology Services Provides software products | Technology Services |
Game Arts Co. Ltd.
Game Arts Co. Ltd. Information Technology ServicesTechnology Services Manufactures online game and game software | Technology Services |
GungHo Works KK
GungHo Works KK Packaged SoftwareTechnology Services Develops gaming software | Technology Services |
GungHo Asset Management, Inc. | |
PlayPhone, Inc.
PlayPhone, Inc. Packaged SoftwareTechnology Services Provides mobile media entertainment services | Technology Services |
Kyushu Sangyo University
Kyushu Sangyo University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Capri, Inc. | |
Acquire Corp.
Acquire Corp. Packaged SoftwareTechnology Services Develops and markets original game titles for home consoles | Technology Services |
Gungho Online Entertainment Korea, Inc. | |
Grasshopper Manufacture, Inc.
Grasshopper Manufacture, Inc. Packaged SoftwareTechnology Services Develops interactive entertainment software | Technology Services |
Harvard Kennedy School of Government
Harvard Kennedy School of Government Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
GGF BV
GGF BV Internet Software/ServicesTechnology Services Operates as an investment holding company with interests in online games | Technology Services |
GungHo Online Entertainment Asia Pacific Pte Ltd.
GungHo Online Entertainment Asia Pacific Pte Ltd. Information Technology ServicesTechnology Services Develops and distributes online video games | Technology Services |
Overdriver Game Technologies Ltd. | |
GungHo Gamania Co. Ltd. |
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