| Company | Timeline | Status | |
| Springer Science + Business Media UK Limited Director • Medical Publisher | 25 Sep 1991←3 Years→28 Aug 1995 | Active | |
| Wolters Kluwer Health (Europe) Limited Secretary • Medical Publishing | 12 Apr 1991←1 Month→8 Jun 1991 | Active | |
| Wolters Kluwer Health (Europe) Limited Director • Medical Publishing | 12 Apr 1991←4 Years→28 Aug 1995 | Active | |
