Appointed 16 November 2015, John retired as deputy chairman and senior independent director of Inmarsat plc in 2015. He has broad experience in conventional and renewable electricity generation and in biotechnology, support services and manufacturing, having previously served as finance director of a number of public limited companies (including Smith and Nephew plc, PowerGen plc, British Steel plc and Corus Group plc) and as a non-executive chairman or director of several companies, including Foreign & Colonial Investment Trust plc and JP Morgan Overseas Investment Trust plc. He is currently chairman of Bluefield Solar Income Fund Limited. He is a Fellow of the Institute of Chartered Accountants of England and Wales. Mr Rennocks became Chairman of the Company after the AGM in September 2016.