| Company | Timeline | Status | |
| Mint Edge Consulting Limited Director • Quantitative Developer | 7 Jul 2009←11 Months→1 Jul 2010 | Dissolved | |
Fourtula Ltd Director • Quantitative Developer | 28 Jan 2009←1 Year 10 Months→1 Dec 2010 | Dissolved | |
| Debra Mai Ltd Director • Quantitative Developer | 28 Jan 2009←1 Year 10 Months→1 Dec 2010 | Active | |
