The Honourable Anna Elizabeth Blackstock Walker CB (born 1951) is a British senior civil servant and regulator of services. Walker is married to Timothy Walker,[1] with whom she has three adult children.[2] She is the daughter of Lord Butterworth.[1]
Walker succeeded Chris Bolt as chair of the Office of Rail Regulation on 5 July 2009 when Bolt's five-year term of office expired.[3] In this role, Walker was the IRG-Rail Chair for 2013; the members of IRG-Rail consist of the independent Regulatory Bodies of twenty-one countries inside and outside the European Union. She stepped down from this role in 2015 and was replaced by Stephen Glaister.[4]
She was Chief Executive of the Healthcare Commission from its formation on 1 April 2004 until 31 March 2009, when the commission was abolished and its functions in England were broadly subsumed by the Care Quality Commission.