In April 2007 Sara Thornton was appointed Chief Constable of Thames Valley Police, the largest non-Metropolitan force in England and Wales.
In 2011 Sara was elected Vice President of the Association of Chief Police Officers (ACPO) and she has been a Vice Chair of ACPO Terrorism and Allied Matters since 2010. In 2010 she was appointed the Director of the Police National Assessment Centre.
Sara Thornton served with the Metropolitan Police from 1986 and over the next fifteen years her career alternated between operational postings in West London and strategic roles within New Scotland Yard. She joined Thames Valley Police as Assistant Chief Constable Specialist Operations in November 2000 and in August 2003 was appointed Deputy Chief Constable.
In 2006 she was awarded the Queens Police Medal and in the 2011 New Years Honours was awarded a CBE. In July 2011 she was awarded a Master of Studies degree (MSt) in Applied Criminology and Police Management from Cambridge University. She also holds honorary doctorates from Oxford Brookes University and Buckinghamshire New University.
She lives in Oxford and has two sons aged 24 and 15.