Mario Ruygrok
Corporate Officer/Principal at Human Sciences Research Council
Mario Ruygrok active positions
| Companies | Position | Start | End |
|---|---|---|---|
| Human Sciences Research Council | Corporate Officer/Principal | - | - |
Career history of Mario Ruygrok
Former positions of Mario Ruygrok
| Companies | Position | Start | End |
|---|---|---|---|
| THETA GOLD MINES LIMITED | Corporate Officer/Principal | 31/05/2012 | 29/11/2015 |
The National Geographic Society, Inc.
 The National Geographic Society, Inc. Miscellaneous Commercial ServicesCommercial Services The National Geographic Society, Inc. operates as a non-profit scientific and educational institution. Its interests include geography, archeology and natural science, and the promotion of environmental and historical conservation. The company was founded in 1888 and is headquartered in Washington, DC. | Corporate Officer/Principal | - | - |
Training of Mario Ruygrok
| University of Johannesburg | Graduate Degree |
Statistics
International
| South Africa | 3 |
| Australia | 2 |
| United States | 2 |
Operational
| Corporate Officer/Principal | 3 |
| Graduate Degree | 1 |
Sectoral
| Non-Energy Minerals | 2 |
| Consumer Services | 2 |
| Commercial Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| THETA GOLD MINES LIMITED | Non-Energy Minerals |
| Private companies | 2 |
|---|---|
The National Geographic Society, Inc.
The National Geographic Society, Inc. Miscellaneous Commercial ServicesCommercial Services The National Geographic Society, Inc. operates as a non-profit scientific and educational institution. Its interests include geography, archeology and natural science, and the promotion of environmental and historical conservation. The company was founded in 1888 and is headquartered in Washington, DC. | Commercial Services |
| Human Sciences Research Council |
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