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BiographyMr Clay Williams is the Chairman of National Oilwell Varco since June 2, 2014. He also the President and Chief Executive Officer of National Oilwell Varco... |
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| Date | Designation | Entity | Entity Description | Country |
|---|---|---|---|---|
| 2008 | Benchmark Electronics | -- | -- | |
| 2014 | National Oilwell Varco Inc | Company In Energy | United States |