| Company | Timeline | Status | |
| The Environmental Health Registration Board Secretary • Acting Chief Executive | 14 Jan 1994←1 Year 1 Month→28 Feb 1995 | Active | |
| International Federation Of Environmental Health(The) Secretary • Acting Chief Executive | 13 Jan 1994←1 Year 1 Month→28 Feb 1995 | Active | |
| Cieh Limited Director • Chief Executive | 13 Jan 1994←1 Year 1 Month→28 Feb 1995 | Active | |
