![David Martin](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>)
David Martin
Director/Board Member at
GREENCASTLE RESOURCES LTD.
Net worth: 9 422 $ as of 2026-05-30
Profile
David Grant Martin is an Independent Director at Greencastle Resources Ltd. since 2021.
Formerly, Mr. Martin was an Independent Director at QHR Corp.
in 2012.
Education includes undergraduate studies at the University of Western Ontario.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-06-12 | 1,346,000 ( 2.53% ) | 9 422 $ | 2026-05-30 |
David Martin active positions
| Companies | Position | Start |
|---|---|---|
| GREENCASTLE RESOURCES LTD. | Director/Board Member | 2021-06-14 |
Former positions of David Martin
| Companies | Position | End |
|---|---|---|
| QHR CORP | Director/Board Member | 2012-06-03 |
Training of David Martin
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
12
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
QHR Corp.
 QHR Corp. Packaged SoftwareTechnology Services Develops and designs software for the healthcare industry | Technology Services |
Greencastle Resources Ltd.
 Greencastle Resources Ltd. Investment Trusts/Mutual FundsMiscellaneous Explores petroleum and natural gas & and royalty interests | Miscellaneous |
University of Western Ontario
 University of Western Ontario Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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- David Martin
