Martin became Executive Chairman of CML in January 2013, having previously been non-executive. Martin is a graduate of and has a doctorate from, Oxford University. He became a director of Morgan Grenfell & Co Ltd in 1982 and in 2008 he established and became chairman of Imperial Innovations, listed on the London stock exchange, nurturing 150 technology companies. He sits on the board of a number of companies. For 18 years he was a governor of Imperial College, London, of which he is a Fellow.