| Company | Timeline | Status | |
| Guinness Limited Director • Director  | 31 Jan 2000←2 Years 11 Months→20 Jan 2003  | Active  | |
Guinness Exports Limited Director • Director  | 31 Jan 2000←2 Years 11 Months→20 Jan 2003  | Dissolved  | |
| Guinness Limited Director • Engineer/brewer  | 19 Jun 1992←3 Years→29 Dec 1995  | Active  | |
