| Company | Timeline | Status | |
| C. Czarnikow Sugar Futures Limited Director • Director | 21 Jul 2008←5 Years→9 Jul 2014 | Active | |
| Czarnikow Group Limited Director • Economist | 1 Jan 2006←8 Years→9 Jul 2014 | Active | |
| 13 Sutherland Street Tenants Association Limited Director • Unreported | 1 Jan 1996←29 Years→Current | Active | |
