| Company | Timeline | Status | |
| Yorkshire Sculpture Park Director • Company Director | 9 Nov 1998←19 Years→8 Nov 2017 | Active | |
| The Handel House Trust Limited Director • Retired Museum Director | 21 Jul 1994←7 Years→1 Jan 2002 | Active | |
| Henry Moore Foundation(The) Director • Director | 1 Mar 1994←9 Years→31 Mar 2003 | Active | |
| HMF Enterprises Limited Director • Art Historian | 9 Nov 1991←2 Years 5 Months→11 Apr 1994 | Active | |
| Greater Manchester ARTS Centre Limited Director • Art Historian | 20 Feb 1991←1 Year 11 Months→18 Jan 1993 | Active | |
