She was chair of Ofcom from 2009 to 2014, chair of Electra Private Equity plc from 2010 to 2014 and chair of the Council of Queen Mary University of London from 2004 to 2009. She has also served on the boards of Thames Water Utilities, London and Continental Railways, Axa IM, Morgan Stanley and the Yorkshire Building Society. She founded and was first chair of the Telecoms Ombudsman Service (now Ombudsman Services) in 2002–2003. She was the first chair of the Ofcom Consumer Panel (2003–2008), and has worked as the executive chair of the distribution arm of Fleming Asset Management.