Currently, Chairman, BAE Systems plc and Senior Adviser to KKR.

In addition, he is Chairman of the English National Ballet, a Vice President of the Royal Navy and Royal Marines Charity, and a Visiting Fellow of Saïd Business School, University of Oxford.

He has previously held a number of senior appointments including Chairman of Centrica plc, Chairman of Cadbury plc, Vice Chairman of the BBC Trust, Deputy Chairman and Senior Independent Director of the Court of the Bank of England and President of the Confederation of British Industry.