![Ji-Yong Seong](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>)
Net worth: 5 279 $ as of 2026-07-30
Ji-Yong Seong currently works at Melatone Co., Ltd., as Co-Chief Executive Officer.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
MASON CAPITAL CORP
 MASON CAPITAL CORP Finance/Rental/LeasingFinance Operates its business under equipment leasing and new technology business financing 0.03% | 2026-06-08 | 6,500 ( 0.03% ) | 5 279 $ | 2026-07-30 |
| Companies | Position | Start |
|---|---|---|
Melatone Co., Ltd.
 Melatone Co., Ltd. Building ProductsProducer Manufacturing Manufactures steel flooring, wood panels and cubicles | Chief Executive Officer | - |
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| Private companies | 1 |
|---|---|
Melatone Co., Ltd.
Melatone Co., Ltd. Building ProductsProducer Manufacturing Manufactures steel flooring, wood panels and cubicles | Producer Manufacturing |
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