Sally Collier is chief executive and chief regulator for the Office of qualifications and examinations regulation. Sally is an experienced leader of government bodies including being the first chief executive of the Crown Commercial Service, the UK's largest government buying organisation transacting £13 billion of government spend. She was also the managing director of the Government Procurement Service. Sally's career spans over 20 years in the civil service in a variety of senior roles, mostly commercial roles in the Cabinet Office and HM Treasury. She is a fellow of the Chartered Institute of Purchasing and Supply.