| Company | Timeline | Status | |
| Wentworth Golf And Tennis Foundation Director • Retired | 15 Oct 2003←7 Years→24 Aug 2011 | Active | |
| Swan Hill Property Holdings Limited Director • Chartered Engineer | 6 May 1994←2 Years 1 Month→30 Jun 1996 | Dissolved | |
| HBG Higgs & Hill Limited Director • Unreported | 4 Oct 1993←6 Months→27 Apr 1994 | Active | |
| Schema Associates Limited Director • Director | 13 Dec 1992←6 Months→22 Jun 1993 | Active | |
Sobac Limited Director • Director | 6 Dec 1992←2 Months→25 Feb 1993 | Dissolved | |
