| Company | Timeline | Status | |
| Helicon Event Management Limited Director • Publisher | 30 Jan 2002←23 Years→Current | Active | |
| Chamberlain Dunn Associates Limited Director • Publisher | 6 Nov 1995←30 Years→Current | Active | |
| RCN Publishing Company Limited Director • Publisher | 5 Dec 1991←3 Years→31 May 1995 | Active | |
