James Loudon was employed by Blue Circle Industries PLC for 25 years, with the last 14 as Group Finance Director. Since then he has been Chairman of Caledonia Investments PLC and a non-executive director of two other public companies in the industrial sector. He has also been Deputy Chairman of the Governors of the University of Greenwich and Chairman of its Finance Committee. He is currently a Trustee of a number of charities and is on a prison Independent Monitoring Board. He was High Sheriff of Kent in 2004/5. He is Chairman of the Finance and Resources Committee of Air Ambulance Kent Surrey Sussex.