![John Sinkus](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: 6 675 $ as of 31/05/2026
John Gerard Sinkus has held director positions at WM Capital Holdings Ltd. and WM International Holdings Ltd. since 2019.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
MediaAlpha, Inc.
 MediaAlpha, Inc. Information Technology ServicesTechnology Services Operates as a marketing technology company 0% | 08/08/2025 | 750 ( 0% ) | 6 675 $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
WM Capital Holdings Ltd.
 WM Capital Holdings Ltd. Financial ConglomeratesFinance Functions as investment holding company | Director/Board Member | 23/04/2019 |
WM International Holdings Ltd.
 WM International Holdings Ltd. MiscellaneousMiscellaneous Operates as a holding company | Director/Board Member | 27/03/2019 |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
WM Capital Holdings Ltd.
WM Capital Holdings Ltd. Financial ConglomeratesFinance Functions as investment holding company | Finance |
WM International Holdings Ltd.
WM International Holdings Ltd. MiscellaneousMiscellaneous Operates as a holding company | Miscellaneous |
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