| Company | Timeline | Status | |
| Petra Diamonds UK Treasury Limited Director • Director | 31 Mar 2015←1 Year 3 Months→1 Jul 2016 | Active | |
| Petra Diamonds US$ Treasury Plc Director • Director | 31 Mar 2015←1 Year 3 Months→1 Jul 2016 | Active | |
| Kalahari Diamonds Limited Director • Finance Director | 30 Sep 2005←10 Years→1 Jul 2016 | Active | |
