| Company | Timeline | Status | |
| Stentor Limited Director • Company Director | 28 Mar 2013←12 Years→Current | Active | |
| Stentor Music Company Limited Director • Company Director | 31 Dec 1991←34 Years→Current | Active | |
| Michael C. Doughty Limited Director • Company Director | 31 Dec 1990←35 Years→Current | Active | |
| Stentor Music Company Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
