| Company | Timeline | Status | |
| DPR Nutrition Limited Director • Nutritional Consultant | 8 Jan 2003←22 Years→Current | Liquidation | |
| Provexis Natural Products Limited Director • Nutrition Consultant | 25 Sep 2001←4 Months→28 Jan 2002 | Active | |
| Nutrition Society(The) Director • Industrial Scientist | 9 Aug 1991←11 Months→16 Jul 1992 | Active | |
