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BiographyMr Mel G. Riggs has served as a director since July 2009. Mr Riggs has served as executive vice president and chief operating officer since December 2010,... |
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| Date | Designation | Entity | Entity Description | Country |
|---|---|---|---|---|
| 2009 | TransAtlantic Petroleum Ltd. | -- | -- | |
| 1994 | Clayton Williams Energy Inc | Company In Energy, Oil & Gas | United States |