| Company | Timeline | Status | |
| Cocoa Research Association Limited(The) Director • Research Scientist | 25 May 1991←2 Years 2 Months→3 Aug 1993 | Active | |
| Ghana Cocoa Growing Research Association Limited (The) Director • Research Scientist | 25 May 1991←2 Years 2 Months→3 Aug 1993 | Active | |
