![Jae-Young Kim](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>)
Jae-Young Kim
Founder at
Lionheart Studio Co. Ltd.
Net worth: 37 M $ as of 2026-09-29
Profile
Jae-Young Kim was the founder of Action Square Co., Ltd., established in 2012, where the title held was Chief Executive Officer.
Mr. Kim is the founder of Lionheart Studio Co., Ltd., established in 2018, holding the titles of Chief Executive Officer & Executive Director.
Former jobs include Chief Executive Officer & Director at NEXUS Co., Ltd. from 2015 to 2017, and Chief Development Officer at NEOWIZ HOLDINGS Corp.
Education includes undergraduate and graduate degrees from Hanyang University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Kakao Games Corp.
 Kakao Games Corp. Packaged SoftwareTechnology Services Develops games applications 5.05% | 2026-06-29 | 5,389,214 ( 5.05% ) | 37 M $ | 2026-09-29 |
Jae-Young Kim active positions
| Companies | Position | Start |
|---|---|---|
Lionheart Studio Co. Ltd.
 Lionheart Studio Co. Ltd. Packaged SoftwareTechnology Services Develops game software | Founder | 2018-05-09 |
Former positions of Jae-Young Kim
| Companies | Position | End |
|---|---|---|
| NEXUS CO., LTD. | Chief Executive Officer | 2017-03-13 |
| NEOWIZ HOLDINGS CORPORATION | Corporate Officer/Principal | - |
Action Square Co., Ltd. /Old/
 Action Square Co., Ltd. /Old/ Packaged SoftwareTechnology Services Develops mobile action games | Chief Executive Officer | - |
Education of Jae-Young Kim
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
NEOWIZ HOLDINGS Corp.
 NEOWIZ HOLDINGS Corp. Packaged SoftwareTechnology Services Operates as a holding company that engages in software development | Technology Services |
Hanyang University
 Hanyang University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Action Square Co., Ltd.
 Action Square Co., Ltd. Packaged SoftwareTechnology Services Develops mobile game software | Technology Services |
Action Square Co., Ltd. /Old/
Action Square Co., Ltd. /Old/ Packaged SoftwareTechnology Services Develops mobile action games | Technology Services |
Lionheart Studio Co. Ltd.
Lionheart Studio Co. Ltd. Packaged SoftwareTechnology Services Develops game software | Technology Services |
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