![Jonathan Hart Martyr](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>)
Jonathan Hart Martyr currently works at 55 Gresham Ventures Ltd., as Director from 2018 and 55 Gresham Ltd., as Director from 2018.
| Companies | Position | Start |
|---|---|---|
55 Gresham Ventures Ltd.
 55 Gresham Ventures Ltd. Investment ManagersFinance Functions as a venture capital firm | Director/Board Member | 2018-11-12 |
55 Gresham Ltd.
 55 Gresham Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | 2018-11-12 |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
55 Gresham Ventures Ltd.
55 Gresham Ventures Ltd. Investment ManagersFinance Functions as a venture capital firm | Finance |
55 Gresham Ltd.
55 Gresham Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
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