National Trust | National Trust for Places of Historic Interest or Natural Beauty | Wellcome Trust | National Trust for Historic Preservation | National Trust of Australia | Wellcome Trust Sanger Institute | The Prince's Trust | John Shuttleworth | BBC Trust | Leverhulme Trust | Durrell Wildlife Conservation Trust | Devon Wildlife Trust | Moorfields Eye Hospital NHS Foundation Trust | Metropolitan Bank and Trust Company | The Royal Marsden NHS Foundation Trust | Terrence Higgins Trust | Saccharine Trust | Prince's Trust | Pilgrim Trust | NHS trust | New Zealand Historic Places Trust | National Book Trust | J. Paul Getty Trust | Trust law | Teenage Cancer Trust | Social Security Trust Fund | Shuttleworth Collection | Russell Trust Association | Police Memorial Trust | Karachi Port Trust |
Other roles include Chairman of the Cambridgeshire Farmers Union (1982), Director of the Shuttleworth Trust (1982–1995), Member of the Governing Body of the Institute of Plant Science Research (1984–1989), Director of Strutt and Parker (Farms) Limited (from 1993), and Director of the Lawes Agricultural Trust (from 1996).
G-KAPW with CAA permission to fly as XF603, owned by the Shuttleworth Trust and based at Old Warden, Bedfordshire.