| Company | Timeline | Status | |
| John Strang Ltd Director • Unreported | 24 Mar 2011←14 Years→Current | Active | |
Neuroscience Research Charitable Trust Director • Doctor | 18 Oct 2001←13 Years→28 Oct 2014 | Dissolved | |
| The Society For The Study Of Addiction Director • Medical Practitioner | 27 Feb 1993←30 Years→9 Nov 2023 | Active | |
| Phoenix House Director • Consultant Psychiarist | 28 Sep 1992←1 Year→28 Sep 1993 | Active | |
| National Aids Trust Director • Doctor Of Medicine | 25 Apr 1992←11 Months→3 Apr 1993 | Active | |
Drugscope Director • Consultant Psychiatrist | 20 Nov 1991←3 Years→6 Oct 1995 | Dissolved | |
