| Company | Timeline | Status | |
| Percussion Orchestrations Limited Secretary • Retired | 8 Apr 2003←22 Years→Current | Active | |
| Edward Cervenka Limited Secretary • Retired | 25 Nov 2002←23 Years→Current | Active | |
| Purcell School (Trading) Limited Director • Investment Director Retired | 9 May 1994←19 Years→31 Aug 2013 | Dissolved | |
| The International Organ Festival Society Limited Director • Retired | 12 Feb 1994←7 Years→16 Oct 2001 | Active | |
| HSBC Global Asset Management (UK) Limited Director • Fund Manager | 25 Nov 1992←1 Year 3 Months→24 Feb 1994 | Active | |
| Purcell School(The) Director • Retired Investment Director | 10 Jul 1991←22 Years→31 Aug 2013 | Active | |
