Lord St John of Bletso

Director, Kabili Holdings (foreign exchange and payment services)

Adviser on corporate social responsibility to the board of Betway, Africa

Member, Advisory Board, Farrant Group (strategic communications consultancy)

Non-executive Director, Gulf Marine Services plc (operates fleet of self-propelled lift boats)

Adviser, Geobear (non-disruptive ground engineering business)

Director, Yellow Cake plc (uranium holding company)

Member, Advisory Board, Bell Integration/Ancaster Management (data centre solutions)

Adviser, ROC Technologies Limited (IT services)

Director, Integrated Diagnostics Holdings (owns medical diagnostic laboratories in north Africa)

Chairman, Strand Hanson Ltd (financial services advisers on natural resources in Africa)