| Company | Timeline | Status | |
| Macmillan Magazines Limited Director • Manager | 14 Jan 1998←3 Years→2 Nov 2001 | Active | |
| Springer Nature (UK) Limited Director • Director | 25 Sep 1995←2 Years 3 Months→15 Jan 1998 | Active | |
| Springer Nature Holdings Limited Director • Manager | 6 Jun 1995←6 Years→2 Nov 2001 | Active | |
| Springer Nature Publishers Holdings Limited Director • Manager | 10 Apr 1995←9 Months→11 Jan 1996 | Active | |
