| Company | Timeline | Status | |
| Agra Ceas Consulting Limited Director • Professor Of Sustainable Development | 8 Sep 2023←2 Years 1 Month→Current | Active | |
| Silvaeculture Limited Director • Company Director | 22 Mar 2013←12 Years→Current | Active | |
| Lca Works Limited Director • Director | 6 Apr 2011←13 Years→2 Jul 2024 | Dissolved | |
| Plan Vivo Foundation Director • Lecturer | 10 Dec 2008←5 Years→1 Mar 2014 | Active | |
| Themba Technology Limited Director • Lecturer | 1 Jul 2008←2 Years 12 Months→30 Jun 2011 | Dissolved | |
| There Must Be An Alternative (Themba) Secretary • Unreported | 18 Aug 2006←19 Years→Current | Active | |
| Environmental Law Foundation Director • Scientist | 13 Jun 2006←19 Years→Current | Active | |
Bioclimate Research And Development Director • Scientist | 15 Nov 2005←3 Years→22 Jul 2009 | Dissolved | |
| Tibbits Productions Limited Director • Scientist | 27 Feb 2004←8 Years→1 Nov 2012 | Active | |
| Themba Technology Limited Director • Company Director | 21 Aug 2002←2 Years 6 Months→8 Mar 2005 | Dissolved | |
