| Company | Timeline | Status | |
| The Intellectual Property Regulation Board Limited Director • Patent Attorney | 1 Nov 2012←5 Years→31 Mar 2018 | Active | |
| D Young & Co International Limited Director • Patent Attorney | 31 Oct 2012←10 Months→11 Sep 2013 | Active | |
| D Young & Co LLP Non-designated LLP Member • Unreported | 31 Mar 2010←15 Years→Current | Active | |
